CINXE.COM

Ovoviviparity - Wikipedia

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Ovoviviparity - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"a5f1c9a9-960e-41c8-87c0-bc413274975f","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Ovoviviparity","wgTitle":"Ovoviviparity","wgCurRevisionId":1282085246,"wgRevisionId":1282085246,"wgArticleId":354967,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description is different from Wikidata","All articles with unsourced statements","Articles with unsourced statements from April 2023","Articles containing video clips","Eggs","Viviparity"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Ovoviviparity","wgRelevantArticleId":354967,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":7000,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q192805","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGELevelingUpEnabledForUser":false}; RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.tmh.player.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","ext.tmh.player","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=ext.cite.styles%7Cext.tmh.player.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=en&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.21"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/1200px--A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="675"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/800px--A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="450"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/640px--A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="360"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Ovoviviparity - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/Ovoviviparity"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Ovoviviparity&amp;action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Ovoviviparity"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&amp;feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Ovoviviparity rootpage-Ovoviviparity skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Main menu" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages"><span>Special pages</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page&#039;s font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&amp;wmf_medium=sidebar&amp;wmf_campaign=en.wikipedia.org&amp;uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&amp;returnto=Ovoviviparity" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&amp;returnto=Ovoviviparity" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&amp;wmf_medium=sidebar&amp;wmf_campaign=en.wikipedia.org&amp;uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&amp;returnto=Ovoviviparity" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&amp;returnto=Ovoviviparity" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Ovoviviparity" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ovoviviparity"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Ovoviviparity</span> </div> </a> <ul id="toc-Ovoviviparity-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Amphibians" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Amphibians"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Amphibians</span> </div> </a> <ul id="toc-Amphibians-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ovolarviparity" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ovolarviparity"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Ovolarviparity</span> </div> </a> <ul id="toc-Ovolarviparity-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Criticisms_and_disuse" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Criticisms_and_disuse"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Criticisms and disuse</span> </div> </a> <ul id="toc-Criticisms_and_disuse-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ovoviviparity</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 47 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-47" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">47 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Ovovivipariteit" title="Ovovivipariteit – Afrikaans" lang="af" hreflang="af" data-title="Ovovivipariteit" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D9%8A%D9%88%D8%B6%D9%8A%D8%A9_%D9%88%D9%84%D9%88%D8%AF%D9%8A%D8%A9" title="بيوضية ولودية – Arabic" lang="ar" hreflang="ar" data-title="بيوضية ولودية" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AF%D0%B9%D1%86%D0%B0%D0%B6%D1%8B%D0%B2%D0%B0%D0%BD%D0%B0%D1%80%D0%B0%D0%B4%D0%B6%D1%8D%D0%BD%D0%BD%D0%B5" title="Яйцажыванараджэнне – Belarusian" lang="be" hreflang="be" data-title="Яйцажыванараджэнне" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%AF%D0%B9%D0%BA%D0%B0%D0%B6%D1%8B%D0%B2%D0%B0%D0%BD%D0%B0%D1%80%D0%B0%D0%B4%D0%B6%D1%8D%D0%BD%D1%8C%D0%BD%D0%B5" title="Яйкажыванараджэньне – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Яйкажыванараджэньне" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%AF%D0%B9%D1%86%D0%B5%D0%B6%D0%B8%D0%B2%D0%BE%D1%80%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%BE" title="Яйцеживородство – Bulgarian" lang="bg" hreflang="bg" data-title="Яйцеживородство" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ovoviviparisme" title="Ovoviviparisme – Catalan" lang="ca" hreflang="ca" data-title="Ovoviviparisme" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Vejco%C5%BEivorodost" title="Vejcoživorodost – Czech" lang="cs" hreflang="cs" data-title="Vejcoživorodost" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ovoviviparie" title="Ovoviviparie – German" lang="de" hreflang="de" data-title="Ovoviviparie" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ovovivipaaria" title="Ovovivipaaria – Estonian" lang="et" hreflang="et" data-title="Ovovivipaaria" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A9%CE%BF%CE%B6%CF%89%CE%BF%CF%84%CE%BF%CE%BA%CE%AF%CE%B1" title="Ωοζωοτοκία – Greek" lang="el" hreflang="el" data-title="Ωοζωοτοκία" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ovoviviparidad" title="Ovoviviparidad – Spanish" lang="es" hreflang="es" data-title="Ovoviviparidad" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ovovivonaskulo" title="Ovovivonaskulo – Esperanto" lang="eo" hreflang="eo" data-title="Ovovivonaskulo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Obobibiparotasun" title="Obobibiparotasun – Basque" lang="eu" hreflang="eu" data-title="Obobibiparotasun" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%AE%D9%85%E2%80%8C%D8%B2%D9%86%D8%AF%D9%87%E2%80%8C%D8%B2%D8%A7%DB%8C%DB%8C" title="تخم‌زنده‌زایی – Persian" lang="fa" hreflang="fa" data-title="تخم‌زنده‌زایی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ovoviviparit%C3%A9" title="Ovoviviparité – French" lang="fr" hreflang="fr" data-title="Ovoviviparité" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ovoviviparidade" title="Ovoviviparidade – Galician" lang="gl" hreflang="gl" data-title="Ovoviviparidade" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%82%9C%ED%83%9C%EC%83%9D" title="난태생 – Korean" lang="ko" hreflang="ko" data-title="난태생" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%85%E0%A4%A3%E0%A5%8D%E0%A4%A1%E0%A4%9C%E0%A4%B0%E0%A4%BE%E0%A4%AF%E0%A5%81%E0%A4%9C%E0%A4%A4%E0%A4%BE" title="अण्डजरायुजता – Hindi" lang="hi" hreflang="hi" data-title="अण्डजरायुजता" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Ovoviviparnost" title="Ovoviviparnost – Croatian" lang="hr" hreflang="hr" data-title="Ovoviviparnost" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-gor mw-list-item"><a href="https://gor.wikipedia.org/wiki/Ovovivipar" title="Ovovivipar – Gorontalo" lang="gor" hreflang="gor" data-title="Ovovivipar" data-language-autonym="Bahasa Hulontalo" data-language-local-name="Gorontalo" class="interlanguage-link-target"><span>Bahasa Hulontalo</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ovovivipar" title="Ovovivipar – Indonesian" lang="id" hreflang="id" data-title="Ovovivipar" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Eggl%C3%ADfb%C3%A6ri" title="Egglífbæri – Icelandic" lang="is" hreflang="is" data-title="Egglífbæri" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Ovoviviparit%C3%A0" title="Ovoviviparità – Italian" lang="it" hreflang="it" data-title="Ovoviviparità" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he badge-Q70893996 mw-list-item" title=""><a href="https://he.wikipedia.org/wiki/%D7%90%D7%95%D7%91%D7%99%D7%A4%D7%A8%D7%99%D7%95%D7%AA" title="אוביפריות – Hebrew" lang="he" hreflang="he" data-title="אוביפריות" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%95%E1%83%94%E1%83%A0%E1%83%AA%E1%83%AE%E1%83%AA%E1%83%9D%E1%83%AA%E1%83%AE%E1%83%9A%E1%83%90%E1%83%93%E1%83%A8%E1%83%9D%E1%83%91%E1%83%90" title="კვერცხცოცხლადშობა – Georgian" lang="ka" hreflang="ka" data-title="კვერცხცოცხლადშობა" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D1%96%D1%80%D1%96%D0%BB%D0%B5%D0%B9_%D0%B6%D2%B1%D0%BC%D1%8B%D1%80%D1%82%D2%9B%D0%B0%D0%BB%D0%B0%D1%83" title="Тірілей жұмыртқалау – Kazakh" lang="kk" hreflang="kk" data-title="Тірілей жұмыртқалау" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Ovov%C3%AEv%C3%AEpar" title="Ovovîvîpar – Kurdish" lang="ku" hreflang="ku" data-title="Ovovîvîpar" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kiau%C5%A1gyvavedyst%C4%97" title="Kiaušgyvavedystė – Lithuanian" lang="lt" hreflang="lt" data-title="Kiaušgyvavedystė" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%93%E0%B4%B5%E0%B5%8B%E0%B4%B5%E0%B4%BF%E0%B4%B5%E0%B4%BF%E0%B4%AA%E0%B4%BE%E0%B4%B0%E0%B4%BF%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B4%BF" title="ഓവോവിവിപാരിറ്റി – Malayalam" lang="ml" hreflang="ml" data-title="ഓവോവിവിപാരിറ്റി" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ovoviviparie" title="Ovoviviparie – Dutch" lang="nl" hreflang="nl" data-title="Ovoviviparie" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%8D%B5%E8%83%8E%E7%94%9F" title="卵胎生 – Japanese" lang="ja" hreflang="ja" data-title="卵胎生" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ovovivipari" title="Ovovivipari – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Ovovivipari" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Ovovivipari" title="Ovovivipari – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Ovovivipari" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/%C5%BByworodno%C5%9B%C4%87_lecytotroficzna" title="Żyworodność lecytotroficzna – Polish" lang="pl" hreflang="pl" data-title="Żyworodność lecytotroficzna" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ovoviviparidade" title="Ovoviviparidade – Portuguese" lang="pt" hreflang="pt" data-title="Ovoviviparidade" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ovoviviparitate" title="Ovoviviparitate – Romanian" lang="ro" hreflang="ro" data-title="Ovoviviparitate" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%AF%D0%B9%D1%86%D0%B5%D0%B6%D0%B8%D0%B2%D0%BE%D1%80%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" title="Яйцеживорождение – Russian" lang="ru" hreflang="ru" data-title="Яйцеживорождение" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A7%D9%88%D9%88%D9%88%D9%88%D8%A7%D8%A6%D9%88%D9%BE%D8%A6%D8%B1%D9%BD%D9%8A" title="اووووائوپئرٽي – Sindhi" lang="sd" hreflang="sd" data-title="اووووائوپئرٽي" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9E%D0%B2%D0%BE%D0%B2%D0%B8%D0%B2%D0%B8%D0%BF%D0%B0%D1%80%D0%B8%D1%98%D0%B0" title="Ововивипарија – Serbian" lang="sr" hreflang="sr" data-title="Ововивипарија" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Ovovivivar" title="Ovovivivar – Sundanese" lang="su" hreflang="su" data-title="Ovovivivar" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Ovovivipaarisuus" title="Ovovivipaarisuus – Finnish" lang="fi" hreflang="fi" data-title="Ovovivipaarisuus" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Ovovivipari" title="Ovovivipari – Swedish" lang="sv" hreflang="sv" data-title="Ovovivipari" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%89%E0%AE%B3%E0%AF%8D%E0%AE%AA%E0%AF%8A%E0%AE%B0%E0%AE%BF_%E0%AE%AE%E0%AF%81%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%88" title="உள்பொரி முட்டை – Tamil" lang="ta" hreflang="ta" data-title="உள்பொரி முட்டை" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ovovivipar" title="Ovovivipar – Turkish" lang="tr" hreflang="tr" data-title="Ovovivipar" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%AF%D0%B9%D1%86%D0%B5%D0%B6%D0%B8%D0%B2%D0%BE%D1%80%D0%BE%D0%B4%D0%BD%D1%96_%D1%82%D0%B2%D0%B0%D1%80%D0%B8%D0%BD%D0%B8" title="Яйцеживородні тварини – Ukrainian" lang="uk" hreflang="uk" data-title="Яйцеживородні тварини" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/No%C3%A3n_thai_sinh" title="Noãn thai sinh – Vietnamese" lang="vi" hreflang="vi" data-title="Noãn thai sinh" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8D%B5%E8%83%8E%E7%94%9F" title="卵胎生 – Chinese" lang="zh" hreflang="zh" data-title="卵胎生" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q192805#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ovoviviparity" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Ovoviviparity" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ovoviviparity"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Ovoviviparity"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Ovoviviparity" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Ovoviviparity" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;oldid=1282085246" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&amp;page=Ovoviviparity&amp;id=1282085246&amp;wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FOvoviviparity"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FOvoviviparity"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&amp;page=Ovoviviparity&amp;action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Ovoviviparity&amp;printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q192805" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Gestation type</div> <figure typeof="mw:File/Thumb"><span><video id="mwe_player_0" poster="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/350px--A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="350" height="197" data-durationhint="31" data-mwtitle="A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv" data-mwprovider="wikimediacommons" resource="/wiki/File:A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.480p.vp9.webm" type="video/webm; codecs=&quot;vp9, opus&quot;" data-transcodekey="480p.vp9.webm" data-width="854" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.720p.vp9.webm" type="video/webm; codecs=&quot;vp9, opus&quot;" data-transcodekey="720p.vp9.webm" data-width="1280" data-height="720" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.1080p.vp9.webm" type="video/webm; codecs=&quot;vp9, opus&quot;" data-transcodekey="1080p.vp9.webm" data-width="1920" data-height="1080" /><source src="//upload.wikimedia.org/wikipedia/commons/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv" type="video/ogg; codecs=&quot;theora, vorbis&quot;" data-width="1920" data-height="1080" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="256" data-height="144" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.240p.vp9.webm" type="video/webm; codecs=&quot;vp9, opus&quot;" data-transcodekey="240p.vp9.webm" data-width="426" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.360p.vp9.webm" type="video/webm; codecs=&quot;vp9, opus&quot;" data-transcodekey="360p.vp9.webm" data-width="640" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/8a/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv.360p.webm" type="video/webm; codecs=&quot;vp8, vorbis&quot;" data-transcodekey="360p.webm" data-width="640" data-height="360" /></video></span><figcaption>The characteristic quivering abdomen caused by movement of <a href="/wiki/Tadpole" title="Tadpole">tadpoles</a> within a pregnant female <i><a href="/wiki/Limnonectes_larvaepartus" title="Limnonectes larvaepartus">Limnonectes larvaepartus</a></i></figcaption></figure> <p><b>Ovoviviparity</b>, <b>ovovivipary</b>, <b>ovivipary</b>, or <b>aplacental viviparity</b> is a term used as a "bridging" form of reproduction between egg-laying <a href="/wiki/Oviparity" title="Oviparity">oviparous</a> and live-bearing <a href="/wiki/Viviparity" title="Viviparity">viviparous</a> reproduction. Ovoviviparous <a href="/wiki/Animal" title="Animal">animals</a> possess <a href="/wiki/Embryo" title="Embryo">embryos</a> that develop inside <a href="/wiki/Egg" title="Egg">eggs</a> that remain in the mother's body until they are ready to hatch. </p><p>The young of some ovoviviparous <a href="/wiki/Amphibian" title="Amphibian">amphibians</a>, such as <i><a href="/wiki/Limnonectes_larvaepartus" title="Limnonectes larvaepartus">Limnonectes larvaepartus</a></i>, are born as <a href="/wiki/Larva" title="Larva">larvae</a>, and undergo further <a href="/wiki/Metamorphosis" title="Metamorphosis">metamorphosis</a> outside the body of the mother. Members of genera <i><a href="/wiki/Nectophrynoides" title="Nectophrynoides">Nectophrynoides</a></i> and <i><a href="/wiki/Eleutherodactylus" title="Eleutherodactylus">Eleutherodactylus</a></i> bear froglets, not only the hatching, but all the most conspicuous <a href="/wiki/Metamorphosis" title="Metamorphosis">metamorphosis</a>, being completed inside the body of the mother before birth. </p><p>Among insects that depend on <a href="/wiki/Opportunism#Biological" title="Opportunism">opportunistic</a> exploitation of transient food sources, such as many <a href="/wiki/Sarcophagidae" class="mw-redirect" title="Sarcophagidae">Sarcophagidae</a> and other <a href="/wiki/Carrion" title="Carrion">carrion</a> flies, and species such as many <a href="/wiki/Calliphoridae" title="Calliphoridae">Calliphoridae</a>, that rely on fresh dung, and <a href="/wiki/Parasitoid" title="Parasitoid">parasitoids</a> such as <a href="/wiki/Tachinidae" title="Tachinidae">tachinid</a> flies that depend on entering the host as soon as possible, the embryos commonly develop to the first larval <a href="/wiki/Instar" title="Instar">instar</a> inside the mother's reproductive tract, and they hatch just before being laid or almost immediately afterwards. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Ovoviviparity">Ovoviviparity</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ovoviviparity&amp;action=edit&amp;section=1" title="Edit section: Ovoviviparity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ovoviviparous animals are those animals that are similar to viviparous species in which there is <a href="/wiki/Internal_fertilization" title="Internal fertilization">internal fertilization</a> and the young are born alive, but differ in that there is no <a href="/wiki/Placenta" title="Placenta">placental</a> connection and the unborn young are nourished by <a href="/wiki/Egg" title="Egg">egg</a>; the mother's body does provide <a href="/wiki/Gas_exchange" title="Gas exchange">gas exchange</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2023)">citation needed</span></a></i>&#93;</sup> </p><p>In some species, the internally developing embryos rely solely on <a href="/wiki/Yolk" title="Yolk">yolk</a>. This is known as "yolk-sac viviparity" and is regarded as a type of lecithotrophy (no maternal provisioning). Other species exhibit <a href="/wiki/Matrotrophy" title="Matrotrophy">matrotrophy</a>, in which the embryo exhausts its yolk supply early in <a href="/wiki/Gestation" title="Gestation">gestation</a> and the mother provides additional nutrition. This additional provisioning may be in the form of unfertilized eggs (intrauterine <a href="/wiki/Oophagy" title="Oophagy">oophagy</a>), uterine secretions (<a href="/wiki/Histotrophy" title="Histotrophy">histotrophy</a>) or it may be delivered through a <a href="/wiki/Placenta" title="Placenta">placenta</a>. The first two of these modes were categorized under histotroph <a href="/wiki/Viviparity" title="Viviparity">viviparity</a>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> or aplacental viviparity.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Amphibians">Amphibians</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ovoviviparity&amp;action=edit&amp;section=2" title="Edit section: Amphibians"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Modes_of_reproduction" title="Modes of reproduction">Modes of reproduction</a></div> <p>The young of ovoviviparous <a href="/wiki/Amphibians" class="mw-redirect" title="Amphibians">amphibians</a> are sometimes born as <a href="/wiki/Larva" title="Larva">larvae</a>, and undergo <a href="/wiki/Metamorphosis_(biology)" class="mw-redirect" title="Metamorphosis (biology)">metamorphosis</a> outside the body of the mother. <a href="/wiki/Modes_of_reproduction" title="Modes of reproduction">Modes of reproduction</a> include<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> based on relations between <a href="/wiki/Zygote" title="Zygote">zygote</a> and parents: </p> <ul><li>Ovuliparity: external fertilisation, as in arthropods, many bony fishes, and most <a href="/wiki/Amphibia" class="mw-redirect" title="Amphibia">amphibians</a></li> <li>Oviparity: internal fertilisation, where the female lays zygotes as eggs with important vitellus (typically birds)</li> <li>Ovoviviparity can be thought of as a form of oviparity where the zygotes are retained in the female's body or in the male's body, but there are no trophic interactions between zygote and parents. This is found in <i><a href="/wiki/Anguis_fragilis" class="mw-redirect" title="Anguis fragilis">Anguis fragilis</a></i>. In <a href="/wiki/Seahorse" title="Seahorse">seahorses</a>, zygotes remain in the male's ventral "marsupium". In the frog <i><a href="/wiki/Rhinoderma_darwinii" class="mw-redirect" title="Rhinoderma darwinii">Rhinoderma darwinii</a></i>, the zygotes develop in the vocal sac. In the frog <i><a href="/wiki/Rheobatrachus" class="mw-redirect" title="Rheobatrachus">Rheobatrachus</a></i>, zygotes develop in the stomach.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Ovolarviparity">Ovolarviparity</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ovoviviparity&amp;action=edit&amp;section=3" title="Edit section: Ovolarviparity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Some insects, notably <a href="/wiki/Tachinidae" title="Tachinidae">tachinid flies</a>, are ovolarviparous, which means that the embryos develop into the first larval stage (<a href="/wiki/Instar" title="Instar">instar</a>) within the eggs while still in the female's <a href="/wiki/Oviduct" title="Oviduct">oviduct</a>. As a result, the larvae hatch more rapidly, sometimes immediately after egg deposition, and can begin feeding right away. A similar phenomenon is larviparity, in which larvae hatch <i>before</i> the female delivers them, although this may be mistakenly identified in species with very thin and transparent egg membranes.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Criticisms_and_disuse">Criticisms and disuse</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ovoviviparity&amp;action=edit&amp;section=4" title="Edit section: Criticisms and disuse"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A lack of a rigidly defined term resulted in widespread misuse of the term ovoviviparity in the biological literature.<sup id="cite_ref-Blackburn1994_7-0" class="reference"><a href="#cite_note-Blackburn1994-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> Ovoviviparity has been used to describe delayed forms of egg-laying reproduction as well as live-bearing species that provide maternal nutrients but do not use a placenta.<sup id="cite_ref-Blackburn1994_7-1" class="reference"><a href="#cite_note-Blackburn1994-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> This widespread misuse of the term has led to confusion over what earlier authors meant when using the name. Modern practice has seen the disuse of ovoviviparity in favour of the more specific definitions of <a href="/wiki/Lecithotrophic" class="mw-redirect" title="Lecithotrophic">lecithotrophic</a> and <a href="/wiki/Matrotrophic" class="mw-redirect" title="Matrotrophic">matrotrophic</a> oviparity and viviparity.<sup id="cite_ref-Blackburn2015_8-0" class="reference"><a href="#cite_note-Blackburn2015-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ovoviviparity&amp;action=edit&amp;section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">Lodé Thierry T. 2012. Oviparity or viviparity&#160;? That is the question. Reproductive Biology 12: 259-264</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFCarrier,_J.C.Musick,_J.A.Heithaus,_M.R.2012" class="citation book cs1">Carrier, J.C.; Musick, J.A.; Heithaus, M.R., eds. (2012). <i>Biology of Sharks and Their Relatives</i>. CRC Press. pp.&#160;<span class="nowrap">296–</span>301. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-1439839249" title="Special:BookSources/978-1439839249"><bdi>978-1439839249</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Biology+of+Sharks+and+Their+Relatives&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E296-%3C%2Fspan%3E301&amp;rft.pub=CRC+Press&amp;rft.date=2012&amp;rft.isbn=978-1439839249&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOvoviviparity" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a href="/wiki/Thierry_Lod%C3%A9" title="Thierry Lodé">Lodé, Thierry</a> (2001). <i>Les stratégies de reproduction des animaux</i> (Reproduction strategies in animal kingdom). Eds Dunod Sciences, Paris</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">Tyler, M. J. (1994). <i>Australian Frogs: A Natural History.</i> Chapter 12, Gastric Brooding Frogs pp;135–140 Reed Books</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFCapinera2008" class="citation book cs1">Capinera, John L. (2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=i9ITMiiohVQC&amp;pg=PA3678">"Tachinid Flies (Diptera: Tachinidae)"</a>. <i>Encyclopedia of entomology</i> (2nd&#160;ed.). Dordrecht: Springer. pp.&#160;<span class="nowrap">3678–</span>3679. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/9781402062421" title="Special:BookSources/9781402062421"><bdi>9781402062421</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Tachinid+Flies+%28Diptera%3A+Tachinidae%29&amp;rft.btitle=Encyclopedia+of+entomology&amp;rft.place=Dordrecht&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E3678-%3C%2Fspan%3E3679&amp;rft.edition=2nd&amp;rft.pub=Springer&amp;rft.date=2008&amp;rft.isbn=9781402062421&amp;rft.aulast=Capinera&amp;rft.aufirst=John+L.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Di9ITMiiohVQC%26pg%3DPA3678&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOvoviviparity" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFWimanJones2012" class="citation journal cs1">Wiman, Nik G.; Jones, Vincent P. (2012). <a rel="nofollow" class="external text" href="http://enhancedbc.tfrec.wsu.edu/downloads/Wiman-Jones_BioC_2013.pdf">"Influence of oviposition strategy of Nemorilla pyste and Nilea erecta (Diptera: Tachinidae) on parasitoid fertility and host mortality"</a> <span class="cs1-format">(PDF)</span>. <i>Biological Control</i>. <b>64</b> (3): <span class="nowrap">195–</span>202. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.biocontrol.2012.12.008">10.1016/j.biocontrol.2012.12.008</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Biological+Control&amp;rft.atitle=Influence+of+oviposition+strategy+of+Nemorilla+pyste+and+Nilea+erecta+%28Diptera%3A+Tachinidae%29+on+parasitoid+fertility+and+host+mortality&amp;rft.volume=64&amp;rft.issue=3&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E195-%3C%2Fspan%3E202&amp;rft.date=2012&amp;rft_id=info%3Adoi%2F10.1016%2Fj.biocontrol.2012.12.008&amp;rft.aulast=Wiman&amp;rft.aufirst=Nik+G.&amp;rft.au=Jones%2C+Vincent+P.&amp;rft_id=http%3A%2F%2Fenhancedbc.tfrec.wsu.edu%2Fdownloads%2FWiman-Jones_BioC_2013.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOvoviviparity" class="Z3988"></span></span> </li> <li id="cite_note-Blackburn1994-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-Blackburn1994_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Blackburn1994_7-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFBlackburn" class="citation journal cs1">Blackburn, Daniel. "Discrepant use of the term 'Ovoviviparity' in the Herpetological Literature". <i>Herpetological Journal</i>. <b>4</b>: 65–72.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Herpetological+Journal&amp;rft.atitle=Discrepant+use+of+the+term+%27Ovoviviparity%27+in+the+Herpetological+Literature&amp;rft.volume=4&amp;rft.pages=65-72&amp;rft.aulast=Blackburn&amp;rft.aufirst=Daniel&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOvoviviparity" class="Z3988"></span></span> </li> <li id="cite_note-Blackburn2015-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-Blackburn2015_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFBlackburn2015" class="citation journal cs1">Blackburn, Daniel (2015). "Evolution of Vertebrate Viviparity and Specializations for Fetal Nutrition: A Quantitative and Qualitative Analysis". <i>Journal of Morphology</i>. <b>276</b> (8): 961–990. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fjmor.20272">10.1002/jmor.20272</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a>&#160;<a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/24652663">24652663</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:549574">549574</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Journal+of+Morphology&amp;rft.atitle=Evolution+of+Vertebrate+Viviparity+and+Specializations+for+Fetal+Nutrition%3A+A+Quantitative+and+Qualitative+Analysis&amp;rft.volume=276&amp;rft.issue=8&amp;rft.pages=961-990&amp;rft.date=2015&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A549574%23id-name%3DS2CID&amp;rft_id=info%3Apmid%2F24652663&amp;rft_id=info%3Adoi%2F10.1002%2Fjmor.20272&amp;rft.aulast=Blackburn&amp;rft.aufirst=Daniel&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AOvoviviparity" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Human_physiology_of_sexual_reproduction385" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Human_reproductive_physiology" title="Template:Human reproductive physiology"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Human_reproductive_physiology" title="Template talk:Human reproductive physiology"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Human_reproductive_physiology" title="Special:EditPage/Template:Human reproductive physiology"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Human_physiology_of_sexual_reproduction385" style="font-size:114%;margin:0 4em"><a href="/wiki/Human_body" title="Human body">Human physiology</a> of <a href="/wiki/Human_reproduction" title="Human reproduction">sexual reproduction</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Menstrual_cycle" title="Menstrual cycle">Menstrual cycle</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Menarche" title="Menarche">Menarche</a></li> <li><a href="/wiki/Menstruation" title="Menstruation">Menstruation</a></li> <li><a href="/wiki/Follicular_phase" title="Follicular phase">Follicular phase</a></li> <li><a href="/wiki/Ovulation" title="Ovulation">Ovulation</a></li> <li><a href="/wiki/Luteal_phase" title="Luteal phase">Luteal phase</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Gametogenesis" title="Gametogenesis">Gametogenesis</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Spermatogenesis" title="Spermatogenesis">Spermatogenesis</a> <ul><li><a href="/wiki/Spermatogonium" title="Spermatogonium">spermatogonium</a></li> <li><a href="/wiki/Spermatocyte" title="Spermatocyte">spermatocyte</a></li> <li><a href="/wiki/Spermatid" title="Spermatid">spermatid</a></li> <li><a href="/wiki/Sperm" title="Sperm">sperm</a></li></ul></li> <li><a href="/wiki/Oogenesis" title="Oogenesis">Oogenesis</a> <ul><li><a href="/wiki/Oogonium" title="Oogonium">oogonium</a></li> <li><a href="/wiki/Oocyte" title="Oocyte">oocyte</a></li> <li><a href="/wiki/Immature_ovum" title="Immature ovum">ootid</a></li> <li><a href="/wiki/Egg_cell" title="Egg cell">ovum</a></li></ul></li> <li><a href="/wiki/Germ_cell" title="Germ cell">Germ cell</a> <ul><li><a href="/wiki/Gonocyte" title="Gonocyte">gonocyte</a></li> <li><a href="/wiki/Gamete" title="Gamete">gamete</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_sexual_activity" title="Human sexual activity">Human sexual activity</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sexual_arousal" title="Sexual arousal">Sexual arousal</a></li> <li><a href="/wiki/Sexual_intercourse" title="Sexual intercourse">Sexual intercourse</a></li> <li><a href="/wiki/Masturbation" title="Masturbation">Masturbation</a></li> <li>Erection <ul><li><a href="/wiki/Erection" title="Erection">Penile</a></li> <li><a href="/wiki/Clitoral_erection" title="Clitoral erection">Clitoral</a></li></ul></li> <li><a href="/wiki/Orgasm" title="Orgasm">Orgasm</a></li> <li>Ejaculation <ul><li><a href="/wiki/Ejaculation" title="Ejaculation">Male</a></li> <li><a href="/wiki/Female_ejaculation" title="Female ejaculation">Female</a></li></ul></li> <li><a href="/wiki/Insemination" title="Insemination">Insemination</a></li> <li><a href="/wiki/Human_fertilization" title="Human fertilization">Fertilization</a> / <a href="/wiki/Fertility" title="Fertility">Fertility</a></li> <li><a href="/wiki/Implantation_(embryology)" title="Implantation (embryology)">Implantation</a></li> <li><a href="/wiki/Pregnancy" title="Pregnancy">Pregnancy</a></li> <li><a href="/wiki/Postpartum_period" title="Postpartum period">Postpartum period</a></li> <li><a href="/wiki/Mechanics_of_human_sexuality" title="Mechanics of human sexuality">Mechanics of sex</a></li> <li><a href="/wiki/Vaginal_lubrication" title="Vaginal lubrication">Vaginal lubrication</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Development_of_the_reproductive_system" title="Development of the reproductive system">Development of the<br /> reproductive system</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sexual_differentiation_in_humans" title="Sexual differentiation in humans">Sexual differentiation</a> <ul><li><a href="/wiki/Sexual_dimorphism" title="Sexual dimorphism">Sexual dimorphism</a></li> <li><a href="/wiki/Feminization_(biology)" title="Feminization (biology)">Feminization</a></li> <li><a href="/wiki/Virilization" title="Virilization">Virilization</a></li></ul></li> <li><a href="/wiki/Puberty" title="Puberty">Puberty</a> <ul><li><a href="/wiki/Gonadarche" title="Gonadarche">Gonadarche</a></li> <li><a href="/wiki/Tanner_scale" title="Tanner scale">Tanner scale</a></li> <li><a href="/wiki/Pubarche" title="Pubarche">Pubarche</a></li> <li><a href="/wiki/Menarche" title="Menarche">Menarche</a></li> <li><a href="/wiki/Spermarche" title="Spermarche">Spermarche</a></li> <li><a href="/wiki/Adrenarche" title="Adrenarche">Adrenarche</a></li></ul></li> <li><a href="/wiki/Advanced_maternal_age" title="Advanced maternal age">Maternal age</a>&#160;/ <a href="/wiki/Paternal_age_effect" title="Paternal age effect">Paternal age</a></li> <li><a href="/wiki/Menopause" title="Menopause">Menopause</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Egg" title="Egg">Egg</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Egg_cell" title="Egg cell">Ovum</a></li> <li><a href="/wiki/Viviparity" title="Viviparity">Vivipary</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Reproductive_endocrinology_and_infertility" title="Reproductive endocrinology and infertility">Reproductive endocrinology<br />and infertility</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hypothalamic%E2%80%93pituitary%E2%80%93gonadal_axis" title="Hypothalamic–pituitary–gonadal axis">Hypothalamic–pituitary–gonadal axis</a></li> <li><a href="/wiki/Hypothalamic%E2%80%93pituitary%E2%80%93prolactin_axis" title="Hypothalamic–pituitary–prolactin axis">Hypothalamic–pituitary–prolactin axis</a></li> <li><a href="/wiki/Andrology" title="Andrology">Andrology</a></li> <li><a href="/wiki/Hormone" title="Hormone">Hormone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Breast" title="Breast">Breast</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Thelarche" title="Thelarche">Thelarche</a></li> <li><a href="/wiki/Breast_development" title="Breast development">Development</a></li> <li><a href="/wiki/Lactation" title="Lactation">Lactation</a></li> <li><a href="/wiki/Breastfeeding" title="Breastfeeding">Breastfeeding</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_reproductive_system" title="Human reproductive system">Human reproductive system</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Male_reproductive_system" title="Male reproductive system">Male</a></li> <li><a href="/wiki/Female_reproductive_system" title="Female reproductive system">Female</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Diseases and disorders</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anorgasmia" title="Anorgasmia">Anorgasmia</a></li> <li><a href="/wiki/Dysorgasmia" title="Dysorgasmia">Dysorgasmia</a></li> <li><a href="/wiki/Dyspareunia" title="Dyspareunia">Dyspareunia</a></li> <li><a href="/wiki/Erectile_dysfunction" title="Erectile dysfunction">Erectile dysfunction</a></li> <li><a href="/wiki/Hard_flaccid_syndrome" title="Hard flaccid syndrome">Hard flaccid syndrome</a></li> <li><a href="/wiki/Premature_ejaculation" title="Premature ejaculation">Premature ejaculation</a></li> <li><a href="/wiki/Vaginismus" title="Vaginismus">Vaginismus</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235" /></div><div role="navigation" class="navbox" aria-labelledby="Modes_of_reproduction104" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231" /><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Animalbirth" title="Template:Animalbirth"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Animalbirth" title="Template talk:Animalbirth"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Animalbirth" title="Special:EditPage/Template:Animalbirth"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Modes_of_reproduction104" style="font-size:114%;margin:0 4em"><a href="/wiki/Modes_of_reproduction" title="Modes of reproduction">Modes of reproduction</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Modes_of_reproduction" title="Modes of reproduction">Modes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oviparity" title="Oviparity">Oviparity</a></li> <li><a href="/wiki/Viviparity" title="Viviparity">Viviparity</a> (Histotrophic, Hemotrophic)</li> <li><a class="mw-selflink selflink">Ovoviviparity</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="4" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Frogspawn_closeup.jpg" class="mw-file-description" title="Frogspawn"><img alt="Frogspawn" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Frogspawn_closeup.jpg/80px-Frogspawn_closeup.jpg" decoding="async" width="80" height="61" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Frogspawn_closeup.jpg/120px-Frogspawn_closeup.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Frogspawn_closeup.jpg/160px-Frogspawn_closeup.jpg 2x" data-file-width="666" data-file-height="510" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fertilisation" title="Fertilisation">Fertilisation</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/External_fertilization" title="External fertilization">External fertilization</a></li> <li><a href="/wiki/Internal_fertilization" title="Internal fertilization">Internal fertilization</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Parental_care" title="Parental care">Parental care</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Parental_care_in_birds" title="Parental care in birds">birds</a></li> <li><a href="/wiki/Mouthbrooder" title="Mouthbrooder">fish (mouthbrooding)</a></li> <li><a href="/wiki/Parenting" title="Parenting">humans</a></li> <li><a href="/wiki/Mammalian_reproduction" title="Mammalian reproduction">mammals</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adelphophagy" class="mw-redirect" title="Adelphophagy">Adelphophagy</a></li> <li><a href="/wiki/Gastric-brooding_frog" title="Gastric-brooding frog">Gastric-brooding frog</a></li> <li><a href="/wiki/Live-bearing_aquarium_fish" class="mw-redirect" title="Live-bearing aquarium fish">Live-bearing aquarium fish</a></li> <li><a href="/wiki/Male_pregnancy" title="Male pregnancy">Male pregnancy</a></li> <li><a href="/wiki/Matrotrophy" title="Matrotrophy">Matrotrophy</a></li> <li><a href="/wiki/Oophagy" title="Oophagy">Oophagy</a></li> <li><a href="/wiki/Pregnancy_in_fish" title="Pregnancy in fish">Pregnancy in fish</a></li> <li><a href="/wiki/Trophic_egg" title="Trophic egg">Trophic egg</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235" /></div><div role="navigation" class="navbox" aria-labelledby="Eggs376" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231" /><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Eggs" title="Template:Eggs"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Eggs" title="Template talk:Eggs"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Eggs" title="Special:EditPage/Template:Eggs"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Eggs376" style="font-size:114%;margin:0 4em"><a href="/wiki/Egg" title="Egg">Eggs</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/List_of_egg_topics" title="List of egg topics">List of egg topics</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Types</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bird_egg" title="Bird egg">Bird</a></li> <li><a href="/wiki/Egg#Fish_and_amphibian_eggs" title="Egg">Fish and amphibian</a></li> <li><a href="/wiki/Monotreme" title="Monotreme">Monotreme</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Egg_fossil" title="Egg fossil">Fossil record</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cephalopod_egg_fossil" title="Cephalopod egg fossil">Cephalopod</a></li> <li><a href="/wiki/Fish_egg_fossil" title="Fish egg fossil">Fish</a></li> <li><a href="/wiki/Reptile_egg_fossil" title="Reptile egg fossil">Reptile</a> (<a href="/wiki/Dinosaur_egg" title="Dinosaur egg">dinosaur</a>)</li> <li><a href="/wiki/Egg_paleopathology" title="Egg paleopathology">Pathology</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Biology</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Egg_allergy" title="Egg allergy">Allergy</a></li> <li><a href="/wiki/Egg_cell" title="Egg cell">Egg cell</a></li> <li><a href="/wiki/Embryo" title="Embryo">Embryo</a></li> <li><a href="/wiki/Ichthyoplankton" title="Ichthyoplankton">Ichthyoplankton</a></li> <li><a href="/wiki/Oogamy" title="Oogamy">Oogamy</a></li> <li><a href="/wiki/Oogenesis" title="Oogenesis">Oogenesis</a></li> <li><a href="/wiki/Ootheca" title="Ootheca">Ootheca</a></li> <li><a href="/wiki/Ovary" title="Ovary">Ovary</a></li> <li><a href="/wiki/Oviduct" title="Oviduct">Oviduct</a></li> <li><a href="/wiki/Oviparity" title="Oviparity">Oviparity</a></li> <li><a class="mw-selflink selflink">Ovoviviparity</a></li> <li><a href="/wiki/Ovulation" title="Ovulation">Ovulation</a></li> <li><a href="/wiki/Spawn_(biology)" class="mw-redirect" title="Spawn (biology)">Spawn</a></li> <li><a href="/wiki/Egg_tooth" title="Egg tooth">Tooth</a></li> <li><a href="/wiki/Trophic_egg" title="Trophic egg">Trophic</a></li> <li><a href="/wiki/Zygote" title="Zygote">Zygote</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Yolk" title="Yolk">Yolk</a></li> <li><a href="/wiki/Egg_white" title="Egg white">White</a></li> <li><a href="/wiki/Eggshell" title="Eggshell">Shell</a> and <a href="/wiki/Eggshell_membrane" title="Eggshell membrane">membrane</a></li> <li><a href="/wiki/Chalaza" title="Chalaza">Chalaza</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Eggs_as_food" title="Eggs as food">As food</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_egg_dishes" title="List of egg dishes">List of egg dishes</a></li> <li><a href="/wiki/Balut_(food)" title="Balut (food)">Balut</a></li> <li><a href="/wiki/Eggs_Benedict" title="Eggs Benedict">Benedict</a></li> <li><a href="/wiki/Boiled_egg" title="Boiled egg">Boiled</a></li> <li><a href="/wiki/Century_egg" title="Century egg">Century</a></li> <li><a href="/wiki/Coddled_egg" title="Coddled egg">Coddled</a></li> <li><a href="/wiki/List_of_custard_desserts" title="List of custard desserts">Custard desserts</a></li> <li><a href="/wiki/Deep_fried_egg" title="Deep fried egg">Deep fried</a></li> <li><a href="/wiki/Deviled_egg" title="Deviled egg">Deviled</a></li> <li><a href="/wiki/Eggnog" title="Eggnog">Eggnog</a></li> <li><a href="/wiki/Fried_egg" title="Fried egg">Fried</a></li> <li><a href="/wiki/Iron_egg" title="Iron egg">Iron</a></li> <li><a href="/wiki/Meringue" title="Meringue">Meringue</a></li> <li><a href="/wiki/Omelette" title="Omelette">Omelette</a></li> <li><a href="/wiki/Onsen_tamago" title="Onsen tamago">Onsen tamago</a></li> <li><a href="/wiki/Poached_egg" title="Poached egg">Poached</a></li> <li><a href="/wiki/Powdered_egg" class="mw-redirect" title="Powdered egg">Powdered</a></li> <li><a href="/wiki/Pickled_egg" title="Pickled egg">Pickled</a></li> <li><a href="/wiki/Quiche" title="Quiche">Quiche</a></li> <li><a href="/wiki/Roe" title="Roe">Roe</a></li> <li><a href="/wiki/Egg_salad" title="Egg salad">Salad</a></li> <li><a href="/wiki/Salted_duck_egg" title="Salted duck egg">Salted</a></li> <li><a href="/wiki/Scotch_egg" title="Scotch egg">Scotch</a></li> <li><a href="/wiki/Scrambled_eggs" title="Scrambled eggs">Scrambled</a></li> <li><a href="/wiki/Shirred_eggs" title="Shirred eggs">Shirred</a></li> <li><a href="/wiki/Smoked_egg" title="Smoked egg">Smoked</a></li> <li><a href="/wiki/Souffl%C3%A9" title="Soufflé">Soufflé</a></li> <li><a href="/wiki/Tea_egg" title="Tea egg">Tea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Category:Eggs_in_culture" title="Category:Eggs in culture">In culture</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Egg_balancing" title="Egg balancing">Balancing</a></li> <li><a href="/wiki/Egg_carton" title="Egg carton">Carton</a></li> <li><a href="/wiki/Egg_decorating" title="Egg decorating">Decorating</a></li> <li><a href="/wiki/Easter_egg" title="Easter egg">Easter egg</a></li> <li><a href="/wiki/Egg-and-spoon_race" title="Egg-and-spoon race">Egg-and-spoon race</a></li> <li><a href="/wiki/Egg_drop_competition" title="Egg drop competition">Egg drop competition</a></li> <li><a href="/wiki/Egging" title="Egging">Egging</a></li> <li><a href="/wiki/Faberg%C3%A9_egg" title="Fabergé egg">Fabergé egg</a></li> <li><a href="/wiki/Free-range_egg" class="mw-redirect" title="Free-range egg">Free range</a></li> <li><a href="/wiki/HowToBasic" title="HowToBasic">HowToBasic</a></li> <li><a href="/wiki/Humpty_Dumpty" title="Humpty Dumpty">Humpty Dumpty</a></li> <li><a href="/wiki/Egg_hunt" title="Egg hunt">Hunt</a></li> <li><a href="/wiki/Oology" title="Oology">Oology</a></li> <li><a href="/wiki/Oomancy" title="Oomancy">Oomancy</a></li> <li><a href="/wiki/Organic_egg_production" title="Organic egg production">Organic</a></li> <li><a href="/wiki/Category:Egg_organizations" title="Category:Egg organizations">Organizations</a></li> <li><a href="/wiki/Ovo_vegetarianism" title="Ovo vegetarianism">Ovo vegetarianism</a></li> <li><a href="/wiki/Pysanka" class="mw-redirect" title="Pysanka">Pysanka</a> <ul><li><a href="/wiki/Vegreville_egg" title="Vegreville egg">Vegreville egg</a></li></ul></li> <li><a href="/wiki/Egg_rolling" title="Egg rolling">Rolling</a></li> <li><a href="/wiki/Egg_tapping" title="Egg tapping">Tapping</a></li> <li><a href="/wiki/Egg_tossing" title="Egg tossing">Tossing</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Eggs" title="Category:Eggs">Category</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <b><a href="https://commons.wikimedia.org/wiki/Category:Eggs" class="extiw" title="commons:Category:Eggs">Commons</a></b></li></ul> </div></td></tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 0}.mw-parser-output .portal-bar-related{font-size:100%;justify-content:flex-start}.mw-parser-output .portal-bar-unbordered{padding:0 1.7em;margin-left:0}.mw-parser-output .portal-bar-header{margin:0 1em 0 0.5em;flex:0 0 auto;min-height:24px}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;padding:0.15em 0;column-gap:1em;align-items:baseline;margin:0;list-style:none}.mw-parser-output .portal-bar-content-related{margin:0;list-style:none}.mw-parser-output .portal-bar-item{display:inline-block;margin:0.15em 0.2em;min-height:24px;line-height:24px}@media screen and (max-width:768px){.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;flex-flow:column wrap;align-items:baseline}.mw-parser-output .portal-bar-header{text-align:center;flex:0;padding-left:0.5em;margin:0 auto}.mw-parser-output .portal-bar-related{font-size:100%;align-items:flex-start}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;align-items:center;flex:0;column-gap:1em;border-top:1px solid #a2a9b1;margin:0 auto;list-style:none}.mw-parser-output .portal-bar-content-related{border-top:none;margin:0;list-style:none}}.mw-parser-output .navbox+link+.portal-bar,.mw-parser-output .navbox+style+.portal-bar,.mw-parser-output .navbox+link+.portal-bar-bordered,.mw-parser-output .navbox+style+.portal-bar-bordered,.mw-parser-output .sister-bar+link+.portal-bar,.mw-parser-output .sister-bar+style+.portal-bar,.mw-parser-output .portal-bar+.navbox-styles+.navbox,.mw-parser-output .portal-bar+.navbox-styles+.sister-bar{margin-top:-1px}</style><div class="portal-bar noprint metadata noviewer portal-bar-bordered" role="navigation" aria-label="Portals"><span class="portal-bar-header"><a href="/wiki/Wikipedia:Contents/Portals" title="Wikipedia:Contents/Portals">Portals</a>:</span><ul class="portal-bar-content"><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><a href="/wiki/File:Greyreefsharksmall2.jpg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/en/thumb/5/53/Greyreefsharksmall2.jpg/21px-Greyreefsharksmall2.jpg" decoding="async" width="21" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/5/53/Greyreefsharksmall2.jpg/32px-Greyreefsharksmall2.jpg 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/5/53/Greyreefsharksmall2.jpg/42px-Greyreefsharksmall2.jpg 2x" data-file-width="46" data-file-height="42" /></a></span> </span><a href="/wiki/Portal:Sharks" title="Portal:Sharks">Sharks</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><a href="/wiki/File:Grapevinesnail_01a.jpg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Grapevinesnail_01a.jpg/40px-Grapevinesnail_01a.jpg" decoding="async" width="21" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Grapevinesnail_01a.jpg/60px-Grapevinesnail_01a.jpg 2x" data-file-width="901" data-file-height="515" /></a></span> </span><a href="/wiki/Portal:Gastropods" title="Portal:Gastropods">Gastropods</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Snake_icon.svg/40px-Snake_icon.svg.png" decoding="async" width="21" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Snake_icon.svg/60px-Snake_icon.svg.png 2x" data-file-width="321" data-file-height="297" /></span></span> </span><a href="/wiki/Portal:Snakes" title="Portal:Snakes">Snakes</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Variegated_golden_frog_%28Mantella_baroni%29_Ranomafana.jpg/21px-Variegated_golden_frog_%28Mantella_baroni%29_Ranomafana.jpg" decoding="async" width="21" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Variegated_golden_frog_%28Mantella_baroni%29_Ranomafana.jpg/32px-Variegated_golden_frog_%28Mantella_baroni%29_Ranomafana.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Variegated_golden_frog_%28Mantella_baroni%29_Ranomafana.jpg/42px-Variegated_golden_frog_%28Mantella_baroni%29_Ranomafana.jpg 2x" data-file-width="4302" data-file-height="2869" /></span></span> </span><a href="/wiki/Portal:Frogs" title="Portal:Frogs">Frogs</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Frog_%282546%29_-_The_Noun_Project.svg/20px-Frog_%282546%29_-_The_Noun_Project.svg.png" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Frog_%282546%29_-_The_Noun_Project.svg/40px-Frog_%282546%29_-_The_Noun_Project.svg.png 1.5x" data-file-width="512" data-file-height="512" /></span></span> </span><a href="/wiki/Portal:Amphibians" title="Portal:Amphibians">Amphibians</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Antennarius_striatus.jpg/40px-Antennarius_striatus.jpg" decoding="async" width="21" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Antennarius_striatus.jpg/60px-Antennarius_striatus.jpg 2x" data-file-width="340" data-file-height="209" /></span></span> </span><a href="/wiki/Portal:Fish" title="Portal:Fish">Fish</a></li></ul></div> <!-- NewPP limit report Parsed by mw‐api‐ext.eqiad.main‐58cbcf565‐8c7gf Cached time: 20250324062537 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.369 seconds Real time usage: 0.552 seconds Preprocessor visited node count: 1042/1000000 Post‐expand include size: 51243/2097152 bytes Template argument size: 935/2097152 bytes Highest expansion depth: 12/100 Expensive parser function count: 9/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 47505/5000000 bytes Lua time usage: 0.231/10.000 seconds Lua memory usage: 5926239/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 441.293 1 -total 27.13% 119.728 1 Template:Reflist 20.07% 88.576 2 Template:Cite_book 19.60% 86.490 3 Template:Navbox 17.97% 79.286 1 Template:Short_description 17.37% 76.637 1 Template:Human_reproductive_physiology 11.46% 50.572 1 Template:Portal_bar 9.31% 41.101 1 Template:Cn 8.63% 38.093 2 Template:Pagetype 7.78% 34.321 1 Template:Fix --> <!-- Saved in parser cache with key enwiki:pcache:354967:|#|:idhash:canonical and timestamp 20250324062550 and revision id 1282085246. Rendering was triggered because: page-edit --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&amp;type=1x1&amp;usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Ovoviviparity&amp;oldid=1282085246">https://en.wikipedia.org/w/index.php?title=Ovoviviparity&amp;oldid=1282085246</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Eggs" title="Category:Eggs">Eggs</a></li><li><a href="/wiki/Category:Viviparity" title="Category:Viviparity">Viviparity</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:All_articles_with_unsourced_statements" title="Category:All articles with unsourced statements">All articles with unsourced statements</a></li><li><a href="/wiki/Category:Articles_with_unsourced_statements_from_April_2023" title="Category:Articles with unsourced statements from April 2023">Articles with unsourced statements from April 2023</a></li><li><a href="/wiki/Category:Articles_containing_video_clips" title="Category:Articles containing video clips">Articles containing video clips</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 24 March 2025, at 06:25<span class="anonymous-show">&#160;(UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=Ovoviviparity&amp;mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/static/images/footer/wikimedia-button.svg" width="84" height="29"><img src="/static/images/footer/wikimedia.svg" width="25" height="25" alt="Wikimedia Foundation" lang="en" loading="lazy"></picture></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" lang="en" width="25" height="25" loading="lazy"></picture></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-main">Ovoviviparity</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>47 languages</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Add topic</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="mw-portlet mw-portlet-dock-bottom emptyPortlet" id="p-dock-bottom"> <ul> </ul> </div> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.eqiad.main-84746d4cc4-6wsv5","wgBackendResponseTime":189,"wgPageParseReport":{"limitreport":{"cputime":"0.369","walltime":"0.552","ppvisitednodes":{"value":1042,"limit":1000000},"postexpandincludesize":{"value":51243,"limit":2097152},"templateargumentsize":{"value":935,"limit":2097152},"expansiondepth":{"value":12,"limit":100},"expensivefunctioncount":{"value":9,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":47505,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 441.293 1 -total"," 27.13% 119.728 1 Template:Reflist"," 20.07% 88.576 2 Template:Cite_book"," 19.60% 86.490 3 Template:Navbox"," 17.97% 79.286 1 Template:Short_description"," 17.37% 76.637 1 Template:Human_reproductive_physiology"," 11.46% 50.572 1 Template:Portal_bar"," 9.31% 41.101 1 Template:Cn"," 8.63% 38.093 2 Template:Pagetype"," 7.78% 34.321 1 Template:Fix"]},"scribunto":{"limitreport-timeusage":{"value":"0.231","limit":"10.000"},"limitreport-memusage":{"value":5926239,"limit":52428800}},"cachereport":{"origin":"mw-api-ext.eqiad.main-58cbcf565-8c7gf","timestamp":"20250324062537","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Ovoviviparity","url":"https:\/\/en.wikipedia.org\/wiki\/Ovoviviparity","sameAs":"http:\/\/www.wikidata.org\/entity\/Q192805","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q192805","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2003-11-02T07:49:42Z","dateModified":"2025-03-24T06:25:36Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/8\/8a\/A-Novel-Reproductive-Mode-in-Frogs-A-New-Species-of-Fanged-Frog-with-Internal-Fertilization-and-pone.0115884.s001.ogv","headline":"mode of animal reproduction"}</script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10