Preterm Labor and Birth | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development

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type="button" > <span>Cerebral Palsy</span> </button> <ul id="basic-mobile-nav-section-CerebralPalsy" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/cerebral-palsy" class="parent-link"> <span>Cerebral Palsy</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cerebral-palsy/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cerebral-palsy/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cerebral-palsy/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cerebral-palsy/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-CongenitalAdrenalHyperplasia(CAH)" type="button" > <span>Congenital Adrenal Hyperplasia (CAH)</span> </button> <ul id="basic-mobile-nav-section-CongenitalAdrenalHyperplasia(CAH)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/cah" class="parent-link"> <span>Congenital Adrenal Hyperplasia (CAH)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cah/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cah/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cah/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cah/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-CongenitalAnomalies" type="button" > <span>Congenital Anomalies</span> </button> <ul id="basic-mobile-nav-section-CongenitalAnomalies" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/congenital-anomalies" class="parent-link"> <span>Congenital Anomalies</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/congenital-anomalies/about"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/congenital-anomalies/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/congenital-anomalies/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/congenital-anomalies/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-ContraceptionandBirthControl" type="button" > <span>Contraception and Birth Control</span> </button> <ul id="basic-mobile-nav-section-ContraceptionandBirthControl" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/contraception" class="parent-link"> <span>Contraception and Birth Control</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/contraception/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/contraception/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/contraception/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/contraception/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-CushingSyndrome" type="button" > <span>Cushing Syndrome</span> </button> <ul id="basic-mobile-nav-section-CushingSyndrome" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/cushing" class="parent-link"> <span>Cushing Syndrome</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cushing/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cushing/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cushing/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/cushing/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Diabetes" type="button" > <span>Diabetes</span> </button> <ul id="basic-mobile-nav-section-Diabetes" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/diabetes" class="parent-link"> <span>Diabetes</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/diabetes/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/diabetes/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/diabetes/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/diabetes/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-DownSyndrome" type="button" > <span>Down Syndrome</span> </button> <ul id="basic-mobile-nav-section-DownSyndrome" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/downsyndrome" class="parent-link"> <span>Down Syndrome</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/down/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/down/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/down/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/down/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-DrivingRisk" type="button" > <span>Driving Risk</span> </button> <ul id="basic-mobile-nav-section-DrivingRisk" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/drivingrisk" class="parent-link"> <span>Driving Risk</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/driving/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/driving/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/driving/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/driving/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-EarlyLearning" type="button" > <span>Early Learning</span> </button> <ul id="basic-mobile-nav-section-EarlyLearning" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/early-learning" class="parent-link"> <span>Early Learning</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/early-learning/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/early-learning/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/early-learning/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/early-learning/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Endometriosis" type="button" > <span>Endometriosis</span> </button> <ul id="basic-mobile-nav-section-Endometriosis" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/endometriosis" class="parent-link"> <span>Endometriosis</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/endometri/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/endometri/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/endometri/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/endometri/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-FragileXSyndrome" type="button" > <span>Fragile X Syndrome</span> </button> <ul id="basic-mobile-nav-section-FragileXSyndrome" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/fragilex" class="parent-link"> <span>Fragile X Syndrome</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fragilex/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fragilex/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fragilex/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fragilex/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-FragileX-AssociatedPrimaryOvarianInsufficiency(FXPOI)" type="button" > <span>Fragile X-Associated Primary Ovarian Insufficiency (FXPOI)</span> </button> <ul id="basic-mobile-nav-section-FragileX-AssociatedPrimaryOvarianInsufficiency(FXPOI)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/fxpoi" class="parent-link"> <span>Fragile X-Associated Primary Ovarian Insufficiency (FXPOI)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxpoi/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxpoi/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxpoi/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxpoi/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-FragileX-AssociatedTremorandAtaxiaSyndrome(FXTAS)" type="button" > <span>Fragile X-Associated Tremor and Ataxia Syndrome (FXTAS)</span> </button> <ul id="basic-mobile-nav-section-FragileX-AssociatedTremorandAtaxiaSyndrome(FXTAS)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/fxtas" class="parent-link"> <span>Fragile X-Associated Tremor and Ataxia Syndrome (FXTAS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxtas/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxtas/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxtas/findastudy"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/fxtas/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-HIV/AIDS" type="button" > <span>HIV/AIDS</span> </button> <ul id="basic-mobile-nav-section-HIV/AIDS" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/hiv" class="parent-link"> <span>HIV/AIDS</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hiv/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hiv/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hiv/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hiv/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-High-RiskPregnancy" type="button" > <span>High-Risk Pregnancy</span> </button> <ul id="basic-mobile-nav-section-High-RiskPregnancy" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/high-risk" class="parent-link"> <span>High-Risk Pregnancy</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/high-risk/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/high-risk/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/high-risk/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/high-risk/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Hypoparathyroidism" type="button" > <span>Hypoparathyroidism</span> </button> <ul id="basic-mobile-nav-section-Hypoparathyroidism" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/hypopara" class="parent-link"> <span>Hypoparathyroidism</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hypopara/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hypopara/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hypopara/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/hypopara/resources/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-InfantCareandInfantHealth" type="button" > <span>Infant Care and Infant Health</span> </button> <ul id="basic-mobile-nav-section-InfantCareandInfantHealth" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/infantcare" class="parent-link"> <span>Infant Care and Infant Health</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infantcare/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infantcare/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infantcare/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infantcare/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-InfantMortality" type="button" > <span>Infant Mortality</span> </button> <ul id="basic-mobile-nav-section-InfantMortality" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/infant-mortality" class="parent-link"> <span>Infant Mortality</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infant-mortality/topicinfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infant-mortality/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infant-mortality/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infant-mortality/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-InfertilityandFertility" type="button" > <span>Infertility and Fertility</span> </button> <ul id="basic-mobile-nav-section-InfertilityandFertility" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/infertility" class="parent-link"> <span>Infertility and Fertility</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infertility/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infertility/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infertility/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/infertility/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-IntellectualandDevelopmentalDisabilities(IDDs)" type="button" > <span>Intellectual and Developmental Disabilities (IDDs)</span> </button> <ul id="basic-mobile-nav-section-IntellectualandDevelopmentalDisabilities(IDDs)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/idds" class="parent-link"> <span>Intellectual and Developmental Disabilities (IDDs)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/idds/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/idds/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/idds/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/idds/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-KlinefelterSyndrome(KS)" type="button" > <span>Klinefelter Syndrome (KS)</span> </button> <ul id="basic-mobile-nav-section-KlinefelterSyndrome(KS)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/klinefelter" class="parent-link"> <span>Klinefelter Syndrome (KS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/klinefelter/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/klinefelter/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/klinefelter/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/klinefelter/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-LaborandDelivery" type="button" > <span>Labor and Delivery</span> </button> <ul id="basic-mobile-nav-section-LaborandDelivery" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/labor-delivery" class="parent-link"> <span>Labor and Delivery</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/labor-delivery/topicinfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/labor-delivery/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/labor-delivery/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/labor-delivery/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-LearningDisabilities" type="button" > <span>Learning Disabilities</span> </button> <ul id="basic-mobile-nav-section-LearningDisabilities" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/learningdisabilities" class="parent-link"> <span>Learning Disabilities</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/learning/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/learning/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/learning/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/learning/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-MaternalMorbidityandMortality" type="button" > <span>Maternal Morbidity and Mortality</span> </button> <ul id="basic-mobile-nav-section-MaternalMorbidityandMortality" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/maternal-morbidity-mortality" class="parent-link"> <span>Maternal Morbidity and Mortality</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/maternal-morbidity-mortality/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/maternal-morbidity-mortality/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/maternal-morbidity-mortality/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/maternal-morbidity-mortality/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-McCune-AlbrightSyndrome(MAS)" type="button" > <span>McCune-Albright Syndrome (MAS)</span> </button> <ul id="basic-mobile-nav-section-McCune-AlbrightSyndrome(MAS)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/mccune-albright" class="parent-link"> <span>McCune-Albright Syndrome (MAS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/mccune-albright/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/mccune-albright/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/mccune-albright/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/mccune-albright/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Men'sReproductiveHealth" type="button" > <span>Men's Reproductive Health</span> </button> <ul id="basic-mobile-nav-section-Men'sReproductiveHealth" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/menshealth" class="parent-link"> <span>Men's Reproductive Health</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menshealth/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menshealth/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menshealth/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menshealth/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Menopause" type="button" > <span>Menopause</span> </button> <ul id="basic-mobile-nav-section-Menopause" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/menopause" class="parent-link"> <span>Menopause</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menopause/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menopause/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menopause/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menopause/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-MenstruationandMenstrualProblems" type="button" > <span>Menstruation and Menstrual Problems</span> </button> <ul id="basic-mobile-nav-section-MenstruationandMenstrualProblems" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/menstruation" class="parent-link"> <span>Menstruation and Menstrual Problems</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menstruation/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menstruation/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menstruation/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/menstruation/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-MuscularDystrophy" type="button" > <span>Muscular Dystrophy</span> </button> <ul id="basic-mobile-nav-section-MuscularDystrophy" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/musculardys" class="parent-link"> <span>Muscular Dystrophy</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/musculardys/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/musculardys/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/musculardys/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/musculardys/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-NecrotizingEnterocolitis(NEC)" type="button" > <span>Necrotizing Enterocolitis (NEC)</span> </button> <ul id="basic-mobile-nav-section-NecrotizingEnterocolitis(NEC)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/nec" class="parent-link"> <span>Necrotizing Enterocolitis (NEC)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/nec/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/nec/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/nec/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/nec/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-NeuralTubeDefects(NTDs)" type="button" > <span>Neural Tube Defects (NTDs)</span> </button> <ul id="basic-mobile-nav-section-NeuralTubeDefects(NTDs)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/ntds" class="parent-link"> <span>Neural Tube Defects (NTDs)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/ntds/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/ntds/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/ntds/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/ntds/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Neuroscience" type="button" > <span>Neuroscience</span> </button> <ul id="basic-mobile-nav-section-Neuroscience" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/neuro" class="parent-link"> <span>Neuroscience</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/neuro/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/neuro/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/neuro/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/neuro/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-NewbornScreening" type="button" > <span>Newborn Screening</span> </button> <ul id="basic-mobile-nav-section-NewbornScreening" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/newborn" class="parent-link"> <span>Newborn Screening</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/newborn/conditioninfo/default"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/newborn/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/newborn/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/newborn/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-ObesityandOverweight" type="button" > <span>Obesity and Overweight</span> </button> <ul id="basic-mobile-nav-section-ObesityandOverweight" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/obesity" class="parent-link"> <span>Obesity and Overweight</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/obesity/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/obesity/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/obesity/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/obesity/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-OsteogenesisImperfecta(OI)" type="button" > <span>Osteogenesis Imperfecta (OI)</span> </button> <ul id="basic-mobile-nav-section-OsteogenesisImperfecta(OI)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/osteogenesisimp" class="parent-link"> <span>Osteogenesis Imperfecta (OI)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/osteogenesisimp/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/osteogenesisimp/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/osteogenesisimp/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/osteogenesisimp/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PediatricInjury" type="button" > <span>Pediatric Injury</span> </button> <ul id="basic-mobile-nav-section-PediatricInjury" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pediatric" class="parent-link"> <span>Pediatric Injury</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pediatric/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pediatric/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pediatric/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pediatric/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PelvicFloorDisorders" type="button" > <span>Pelvic Floor Disorders</span> </button> <ul id="basic-mobile-nav-section-PelvicFloorDisorders" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pelvicfloor" class="parent-link"> <span>Pelvic Floor Disorders</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicfloor/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicfloor/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicfloor/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicfloor/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PelvicPain" type="button" > <span>Pelvic Pain</span> </button> <ul id="basic-mobile-nav-section-PelvicPain" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pelvicpain" class="parent-link"> <span>Pelvic Pain</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicpain/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicpain/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicpain/clinicaltrials/default"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pelvicpain/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Pharmacology" type="button" > <span>Pharmacology</span> </button> <ul id="basic-mobile-nav-section-Pharmacology" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pharma" class="parent-link"> <span>Pharmacology</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pharma/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pharma/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pharma/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pharma/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Phenylketonuria(PKU)" type="button" > <span>Phenylketonuria (PKU)</span> </button> <ul id="basic-mobile-nav-section-Phenylketonuria(PKU)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pku" class="parent-link"> <span>Phenylketonuria (PKU)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pku/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pku/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pku/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pku/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PheochromocytomaandParaganglioma" type="button" > <span>Pheochromocytoma and Paraganglioma</span> </button> <ul id="basic-mobile-nav-section-PheochromocytomaandParaganglioma" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pheochrom" class="parent-link"> <span>Pheochromocytoma and Paraganglioma</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pheochrom/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pheochrom/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pheochrom/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pheochrom/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PituitaryTumors" type="button" > <span>Pituitary Tumors</span> </button> <ul id="basic-mobile-nav-section-PituitaryTumors" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pituitarytumors" class="parent-link"> <span>Pituitary Tumors</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pituitarytumors/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pituitarytumors/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pituitarytumors/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pituitarytumors/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PolycysticOvarySyndrome(PCOS)" type="button" > <span>Polycystic Ovary Syndrome (PCOS)</span> </button> <ul id="basic-mobile-nav-section-PolycysticOvarySyndrome(PCOS)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pcos" class="parent-link"> <span>Polycystic Ovary Syndrome (PCOS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pcos/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pcos/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pcos/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pcos/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Prader-WilliSyndrome(PWS)" type="button" > <span>Prader-Willi Syndrome (PWS)</span> </button> <ul id="basic-mobile-nav-section-Prader-WilliSyndrome(PWS)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/prader-willi" class="parent-link"> <span>Prader-Willi Syndrome (PWS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/prader-willi/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/prader-willi/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/prader-willi/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/prader-willi/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Pre-PregnancyCareandPrenatalCare" type="button" > <span>Pre-Pregnancy Care and Prenatal Care</span> </button> <ul id="basic-mobile-nav-section-Pre-PregnancyCareandPrenatalCare" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/preconceptioncare" class="parent-link"> <span>Pre-Pregnancy Care and Prenatal Care</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preconceptioncare/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preconceptioncare/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preconceptioncare/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preconceptioncare/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PreeclampsiaandEclampsia" type="button" > <span>Preeclampsia and Eclampsia</span> </button> <ul id="basic-mobile-nav-section-PreeclampsiaandEclampsia" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/preeclampsia" class="parent-link"> <span>Preeclampsia and Eclampsia</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preeclampsia/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preeclampsia/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preeclampsia/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preeclampsia/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PregnancyLoss" type="button" > <span>Pregnancy Loss</span> </button> <ul id="basic-mobile-nav-section-PregnancyLoss" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pregnancyloss" class="parent-link"> <span>Pregnancy Loss</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancyloss/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancyloss/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancyloss/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancyloss/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Pregnancy" type="button" > <span>Pregnancy</span> </button> <ul id="basic-mobile-nav-section-Pregnancy" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/pregnancy" class="parent-link"> <span>Pregnancy</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancy/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancy/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancy/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/pregnancy/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button usa-current" aria-expanded="true" aria-controls="basic-mobile-nav-section-PretermLaborandBirth" type="button" > <span>Preterm Labor and Birth</span> </button> <ul id="basic-mobile-nav-section-PretermLaborandBirth" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/preterm" class="parent-link"> <span>Preterm Labor and Birth</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preterm/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preterm/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preterm/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/preterm/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PrimaryOvarianInsufficiency(POI)" type="button" > <span>Primary Ovarian Insufficiency (POI)</span> </button> <ul id="basic-mobile-nav-section-PrimaryOvarianInsufficiency(POI)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/poi" class="parent-link"> <span>Primary Ovarian Insufficiency (POI)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/poi/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/poi/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/poi/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/poi/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-PubertyandPrecociousPuberty" type="button" > <span>Puberty and Precocious Puberty</span> </button> <ul id="basic-mobile-nav-section-PubertyandPrecociousPuberty" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/puberty" class="parent-link"> <span>Puberty and Precocious Puberty</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/puberty/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/puberty/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/puberty/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/puberty/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-ReadingandReadingDisorders" type="button" > <span>Reading and Reading Disorders</span> </button> <ul id="basic-mobile-nav-section-ReadingandReadingDisorders" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/reading" class="parent-link"> <span>Reading and Reading Disorders</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/reading/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/reading/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/reading/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/reading/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-RehabilitationMedicine" type="button" > <span>Rehabilitation Medicine</span> </button> <ul id="basic-mobile-nav-section-RehabilitationMedicine" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/rehabilitation-medicine" class="parent-link"> <span>Rehabilitation Medicine</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabilitation-medicine/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabilitation-medicine/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabilitation-medicine/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabilitation-medicine/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-RehabilitativeandAssistiveTechnology" type="button" > <span>Rehabilitative and Assistive Technology</span> </button> <ul id="basic-mobile-nav-section-RehabilitativeandAssistiveTechnology" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/rehabtech" class="parent-link"> <span>Rehabilitative and Assistive Technology</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabtech/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabtech/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabtech/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rehabtech/resources"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/health/topics/reproductivehealth"> <span>Reproductive Health</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-RettSyndrome" type="button" > <span>Rett Syndrome</span> </button> <ul id="basic-mobile-nav-section-RettSyndrome" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/rett" class="parent-link"> <span>Rett Syndrome</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rett/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rett/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rett/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/rett/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SexuallyTransmittedDiseases(STDs)" type="button" > <span>Sexually Transmitted Diseases (STDs)</span> </button> <ul id="basic-mobile-nav-section-SexuallyTransmittedDiseases(STDs)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/stds" class="parent-link"> <span>Sexually Transmitted Diseases (STDs)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stds/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stds/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stds/clinicaltrials/default"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stds/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Sleep" type="button" > <span>Sleep</span> </button> <ul id="basic-mobile-nav-section-Sleep" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/sleep" class="parent-link"> <span>Sleep</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sleep/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sleep/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sleep/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sleep/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SpinaBifida" type="button" > <span>Spina Bifida</span> </button> <ul id="basic-mobile-nav-section-SpinaBifida" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/spinabifida" class="parent-link"> <span>Spina Bifida</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinabifida/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinabifida/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinabifida/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinabifida/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SpinalCordInjury(SCI)" type="button" > <span>Spinal Cord Injury (SCI)</span> </button> <ul id="basic-mobile-nav-section-SpinalCordInjury(SCI)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/spinalinjury" class="parent-link"> <span>Spinal Cord Injury (SCI)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinalinjury/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinalinjury/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinalinjury/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/spinalinjury/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Stillbirth" type="button" > <span>Stillbirth</span> </button> <ul id="basic-mobile-nav-section-Stillbirth" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/stillbirth" class="parent-link"> <span>Stillbirth</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stillbirth/topicinfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stillbirth/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stillbirth/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stillbirth/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Stroke" type="button" > <span>Stroke</span> </button> <ul id="basic-mobile-nav-section-Stroke" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/stroke" class="parent-link"> <span>Stroke</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stroke/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stroke/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stroke/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/stroke/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SuddenInfantDeathSyndrome(SIDS)" type="button" > <span>Sudden Infant Death Syndrome (SIDS)</span> </button> <ul id="basic-mobile-nav-section-SuddenInfantDeathSyndrome(SIDS)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/sids" class="parent-link"> <span>Sudden Infant Death Syndrome (SIDS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sids/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sids/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sids/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/sids/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-TraumaticBrainInjury(TBI)" type="button" > <span>Traumatic Brain Injury (TBI)</span> </button> <ul id="basic-mobile-nav-section-TraumaticBrainInjury(TBI)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/tbi" class="parent-link"> <span>Traumatic Brain Injury (TBI)</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/tbi/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/tbi/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/tbi/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/tbi/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-TurnerSyndrome" type="button" > <span>Turner Syndrome</span> </button> <ul id="basic-mobile-nav-section-TurnerSyndrome" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/turner" class="parent-link"> <span>Turner Syndrome</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/turner/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/turner/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/turner/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/turner/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-UrinaryTractHealth" type="button" > <span>Urinary Tract Health</span> </button> <ul id="basic-mobile-nav-section-UrinaryTractHealth" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/urinary" class="parent-link"> <span>Urinary Tract Health</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/urinary/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/urinary/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/urinary/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/urinary/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-UterineFibroids" type="button" > <span>Uterine Fibroids</span> </button> <ul id="basic-mobile-nav-section-UterineFibroids" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/uterine" class="parent-link"> <span>Uterine Fibroids</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/uterine/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/uterine/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/uterine/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/uterine/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Vaginitis" type="button" > <span>Vaginitis</span> </button> <ul id="basic-mobile-nav-section-Vaginitis" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/vaginitis" class="parent-link"> <span>Vaginitis</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vaginitis/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vaginitis/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vaginitis/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vaginitis/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Vasectomy" type="button" > <span>Vasectomy</span> </button> <ul id="basic-mobile-nav-section-Vasectomy" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/vasectomy" class="parent-link"> <span>Vasectomy</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vasectomy/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vasectomy/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vasectomy/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vasectomy/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Vulvodynia" type="button" > <span>Vulvodynia</span> </button> <ul id="basic-mobile-nav-section-Vulvodynia" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/topics/vulvodynia" class="parent-link"> <span>Vulvodynia</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vulvodynia/conditioninfo"> <span>About</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vulvodynia/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vulvodynia/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/topics/vulvodynia/more_information"> <span>More Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/health/topics/womenshealth"> <span>Women's Health</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="https://www.nichd.nih.gov/sts"> <span>Safe to Sleep® Campaign</span> </a> </li> <li class="mobile-menu-link"> <a href="https://www.nichd.nih.gov/ncmhep"> <span>National Child and Maternal Health Education Program</span> </a> </li> <li class="mobile-menu-link"> <a href="/publications"> <span>Find Publications</span> </a> </li> <li class="mobile-menu-link"> <a href="/caregivers"> <span>For Caregivers & Providers</span> </a> </li> <li class="mobile-menu-link"> <a href="https://extranet.nichd.nih.gov/nursececourse/Welcome.aspx"> <span>Take Continuing Education</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button " aria-expanded="false" aria-controls="basic-mobile-nav-section-Grants&Contracts" > <span>Grants & Contracts</span> </button> <ul id="basic-mobile-nav-section-Grants&Contracts" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts" class="parent-link"> <span>Grants & Contracts</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/research-areas/priorities"> <span>NICHD Research Priorities</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" 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class="mobile-menu-link"> <a href="/grants-contracts/funding-opps-and-notices/active-nofos-notices" class="parent-link"> <span>Active Funding Opportunities and Notices for NICHD</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/funding-opps-and-notices/active-nofos-notices/parent"> <span>Parent Announcements (For Unsolicited or Investigator-Initiated Applications)</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/funding-opps-and-notices/funding-types"> <span>Types of NICHD Funding Mechanisms</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/funding-opps-and-notices/dissemination"> <span>NICHD Priorities for Dissemination and Implementation Research</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Contracts" type="button" > <span>Contracts</span> </button> <ul 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id="basic-mobile-nav-section-GrantsProcess,Policies&Strategies" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/process-strategies" class="parent-link"> <span>Grants Process, Policies & Strategies</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-GrantProcess" type="button" > <span>Grant Process</span> </button> <ul id="basic-mobile-nav-section-GrantProcess" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/process-strategies/process" class="parent-link"> <span>Grant Process</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/process-strategies/process/overview"> <span>Overview</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/process-strategies/process/how-to-apply"> <span>How to Apply</span> </a> </li> <li 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href="/grants-contracts/process-strategies/contacts"> <span>NICHD Contacts for Funding Information</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/peer-review"> <span>Peer Review</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SmallBusinessPrograms" type="button" > <span>Small Business Programs</span> </button> <ul id="basic-mobile-nav-section-SmallBusinessPrograms" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR" class="parent-link"> <span>Small Business Programs</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/about"> <span>About the Programs</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/priorities"> <span>NICHD Priorities</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-FundingOpportunities" type="button" > <span>Funding Opportunities</span> </button> <ul id="basic-mobile-nav-section-FundingOpportunities" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/funding" class="parent-link"> <span>Funding Opportunities</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/funding/targeted"> <span>Targeted Opportunities</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/types"> <span>Application Types</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/resources"> <span>Commercialization Resources</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/FAQs"> <span>FAQs</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SmallBusinessSuccessStories" type="button" > <span>Small Business Success Stories</span> </button> <ul id="basic-mobile-nav-section-SmallBusinessSuccessStories" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase" class="parent-link"> <span>Small Business Success Stories</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/BioSensics"> <span>BioSensics™ – Wearable Sensors for Stroke Recovery and Chronic Disability Care</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/SEEKER"> <span>SEEKER® – The First FDA-Authorized Newborn Screening Platform for Lysosomal Storage Disorders</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/Simbex-HITS"> <span>Simbex Head Impact Telemetry System – Real-time Monitoring to Improve Safety in Sports</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/SpermCheck"> <span>SpermCheck® – FDA-Cleared Home Test for Male Fertility</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/bili-hut"> <span>bili-hut™ – FDA-Cleared Phototherapy for Treating Newborn Jaundice at Home</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/Elagolix"> <span>Elagolix – The First FDA-Approved Treatment for Endometriosis and Uterine Fibroids</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/Buzzy"> <span>Buzzy®—Pain Relief for Pediatric Vaccinations</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/SBIR_STTR/showcase/Miya-Model"> <span>Miya Model™ – Surgical Training Simulator for Obstetrician-Gynecologists (OB/GYNs)</span> </a> </li> </ul> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Training&CareerDevelopment" type="button" > <span>Training & Career Development</span> </button> <ul id="basic-mobile-nav-section-Training&CareerDevelopment" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers" class="parent-link"> <span>Training & Career Development</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-SupportforTrainingatUniversitiesandOtherInstitutions" type="button" > <span>Support for Training at Universities and Other Institutions</span> </button> <ul id="basic-mobile-nav-section-SupportforTrainingatUniversitiesandOtherInstitutions" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/extramural" class="parent-link"> <span>Support for Training at Universities and Other Institutions</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/extramural/individual"> <span>Individual Research Fellowships (F)</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/extramural/career"> <span>Career Development (K) Awards</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/extramural/institutional"> <span>Institutional Training Grants (T32/K12)</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/extramural/education"> <span>Education Grants (R25)</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/extramural/FAQs"> <span>FAQs About Extramural Training</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-TrainingatNICHD" type="button" > <span>Training at NICHD</span> </button> <ul id="basic-mobile-nav-section-TrainingatNICHD" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/intramural" class="parent-link"> <span>Training at NICHD</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/intramural/DIR"> <span>Training in the Division of Intramural Research (DIR)</span> </a> </li> <li class="mobile-menu-link"> <a href="/grants-contracts/training-careers/intramural/DiPHR"> <span>Training in the Division of Population Health Research (DiPHR)</span> </a> </li> </ul> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/forapplicants"> <span>For Applicants</span> </a> </li> <li class="mobile-menu-link"> <a href="/clinicalresearchpoliciesredirect-grants"> <span>Clinical Research Policies</span> </a> </li> <li class="mobile-menu-link"> <a href="/sampleapplicationsredirect"> <span>Sample Applications</span> </a> </li> <li class="mobile-menu-link"> <a href="/sites/default/files/2017-12/Extramural_Res_Categories_Contacts.pdf"> <span>Find a Program Officer</span> </a> </li> <li class="mobile-menu-link"> <a href="https://grants.nih.gov/grants/forms.htm"> <span>Forms</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button " aria-expanded="false" aria-controls="basic-mobile-nav-section-ClinicalResearch" > <span>Clinical Research</span> </button> <ul id="basic-mobile-nav-section-ClinicalResearch" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/clinical-research" class="parent-link"> <span>Clinical Research</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research#whatis"> <span>What Is Clinical Research?</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research#find"> <span>Find NICHD Clinical Trials</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research#clinicalcare"> <span>Where Can I Find Clinical Care Recommendations and Practice Guidelines?</span> </a> </li> <li class="mobile-menu-link"> <a href="/forresearchers"> <span>For Researchers</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Pre-ApplicationProcessforNICHDNetworkMultisiteClinicalResearch" type="button" > <span>Pre-Application Process for NICHD Network Multisite Clinical Research</span> </button> <ul id="basic-mobile-nav-section-Pre-ApplicationProcessforNICHDNetworkMultisiteClinicalResearch" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/health/clinical-research/clinical-trial-preapplication-process" class="parent-link"> <span>Pre-Application Process for NICHD Network Multisite Clinical Research</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research/clinical-trial-network-non-NICHD-funding"> <span>Network Projects that Use Non-NICHD Funding</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research/clinical-trial-preapplication-process/concept-proposal"> <span>Concept Proposal Info</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research/par-23-037-faqs"> <span>PAR-23-037 Frequently Asked Questions (FAQs)</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/clinicalresearchpoliciesredirect-clinical"> <span>Clinical Research Policies</span> </a> </li> <li class="mobile-menu-link"> <a href="/NICHDpolicies-clinical"> <span>NICHD Policies for Data & Safety Monitoring</span> </a> </li> <li class="mobile-menu-link"> <a href="/health/clinical-research/CSI-curriculum"> <span>Clinician-Scientist Investigator (CSI) Curriculum</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button " aria-expanded="false" aria-controls="basic-mobile-nav-section-Newsroom" > <span>Newsroom</span> </button> <ul id="basic-mobile-nav-section-Newsroom" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/newsroom" class="parent-link"> <span>Newsroom</span> </a> </li> <li class="mobile-menu-link"> <a href="/newsroom/news"> <span>News</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-DigitalMedia" type="button" > <span>Digital Media</span> </button> <ul id="basic-mobile-nav-section-DigitalMedia" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/newsroom/digital-media" class="parent-link"> <span>Digital Media</span> </a> </li> <li class="mobile-menu-link"> <a href="/newsroom/digital-media/infographics"> <span>Infographics</span> </a> </li> <li class="mobile-menu-link"> <a href="/newsroom/digital-media/videos"> <span>Videos</span> </a> </li> <li class="mobile-menu-link"> <a href="/newsroom/digital-media/podcastsandaudio"> <span>Podcasts and Audio</span> </a> </li> <li class="mobile-menu-link"> <a href="/newsroom/digital-media/socialmedia"> <span>Social Media</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <a href="/newsroom/NICHDnews/index"> <span>Join NICHD Listservs</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button " aria-expanded="false" aria-controls="basic-mobile-nav-section-AboutNICHD" > <span>About NICHD</span> </button> <ul id="basic-mobile-nav-section-AboutNICHD" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/about" class="parent-link"> <span>About NICHD</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-Organization" type="button" > <span>Organization</span> </button> <ul id="basic-mobile-nav-section-Organization" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/about/org" class="parent-link"> <span>Organization</span> </a> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-OfficeoftheDirector" type="button" > <span>Office of the Director</span> </button> <ul id="basic-mobile-nav-section-OfficeoftheDirector" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/about/org/od" class="parent-link"> <span>Office of the Director</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/directors_corner"> <span>Director's Corner</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/oam"> <span>Office of Administrative Management (OAM)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/oc"> <span>Office of Communications (OC)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/odss"> <span>Office of Data Science and Sharing (ODSS)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/ogh"> <span>Office of Global Health (OGH)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/ohe"> <span>Office of Health Equity (OHE)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/olppe"> <span>Office of Legislation, Public Policy, and Ethics (OLPPE)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/od/ospra"> <span>Office of Science Policy, Reporting, and Program Analysis (OSPRA)</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-DivisionofExtramuralResearch(DER)" type="button" > <span>Division of Extramural Research (DER)</span> </button> <ul id="basic-mobile-nav-section-DivisionofExtramuralResearch(DER)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/about/org/der" class="parent-link"> <span>Division of Extramural Research (DER)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/der/branches"> <span>Extramural Scientific Branches</span> </a> </li> </ul> </li> <li class="mobile-menu-link"> <button class="usa-accordion__button" aria-expanded="false" aria-controls="basic-mobile-nav-section-DivisionofExtramuralActivities(DEA)" type="button" > <span>Division of Extramural Activities (DEA)</span> </button> <ul id="basic-mobile-nav-section-DivisionofExtramuralActivities(DEA)" class="usa-accordion__content" data-allow-multiple> <li class="mobile-menu-link"> <a href="/about/org/dea" class="parent-link"> <span>Division of Extramural Activities (DEA)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/dea/gmb"> <span>Grants Management Branch (GMB)</span> </a> </li> <li class="mobile-menu-link"> <a href="/about/org/dea/oep"> <span>Office of Extramural 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</div> <div id="block-mobile-related-external-spn-url" class="block block-ctools-block block-entity-field:node:field-related-external-spn-url related-external-link display-block tablet:display-none mobile-related-external-link"> <div class="button-wrapper usa-button"> <a lang="es" class="button-link" aria-label="Visita esta página en español" href="https://espanol.nichd.nih.gov/salud/temas/preterm">En Español</a> <svg class="usa-icon" aria-hidden="true" focusable="false" role="img"> <use xlink:href="/themes/custom/uswds_nichd/assets/img/sprite.svg#arrow_forward"></use> </svg> </div> </div> <div id="block-nichd-content" class="block block-system block-system-main-block"> <article data-history-node-id="541"> <div> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>In general, a normal human pregnancy lasts about 40 weeks, or just more than 9 months, from the start of the last <a href="/health/topics/menstruation">menstrual period</a> to childbirth. Labor that begins before 37 weeks is called preterm labor (or premature labor). A birth that occurs before 37 weeks is considered a preterm birth.</p> <p>Preterm birth is the most common cause of infant death and is the leading cause of long-term disability related to the nervous system in children.</p> <p>NICHD is working both on its own and in collaboration with other agencies and organizations to learn more about the causes of preterm labor and birth, improve ways to predict which women are at risk for preterm delivery, and identify prevention methods to reduce the number of infants born early.</p> <p>NICHD also is studying ways to improve care for infants born too early in order to reduce death and disability associated with preterm birth.</p> </div> <div class="field field--name-field-az-related-pages field--type-entity-reference-revisions field--label-hidden field__items"> <div class="field__item"> <div class="paragraph paragraph--type--title-and-relatedpages paragraph--view-mode--topic-grid"> <div class="grid-col-fill"> <div class="field field--name-field-group-title field--type-string field--label-hidden field__item"><h2>General Information</h2></div> <div class="field field--name-field-related-pages field--type-entity-reference field--label-hidden field__items usa-card-group"> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2354" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> About Preterm Labor and Birth </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>A birth before 37 weeks of pregnancy is considered preterm (premature). Labor beginning before 37 weeks is called preterm labor. Preterm birth is the most common cause of infant death. </p></div> <a href="/health/topics/preterm/conditioninfo" rel="bookmark" class="more-link" aria-label="Click to read more about About Preterm Labor and Birth">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2355" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo/symptoms" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> What are the symptoms of preterm labor? </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>If you have symptoms of preterm labor, such as contractions or fluid leaking from your vagina, you should call your doctor.</p></div> <a href="/health/topics/preterm/conditioninfo/symptoms" rel="bookmark" class="more-link" aria-label="Click to read more about What are the symptoms of preterm labor?">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2357" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo/causes" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> What causes preterm labor and birth? </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>Preterm labor and premature birth have many complex causes that are not well understood. Medical, biological, and psychological factors may all play a role in preterm labor and birth.</p></div> <a href="/health/topics/preterm/conditioninfo/causes" rel="bookmark" class="more-link" aria-label="Click to read more about What causes preterm labor and birth?">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2358" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo/who_risk" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> What are the risk factors for preterm labor and birth? </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>Medical conditions, pregnancy complications, genetic issues, and other factors can increase your risk for spontaneous preterm labor or birth.</p></div> <a href="/health/topics/preterm/conditioninfo/who_risk" rel="bookmark" class="more-link" aria-label="Click to read more about What are the risk factors for preterm labor and birth?">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2359" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo/predict" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> Is it possible to predict who is more likely to experience preterm labor and birth? </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>There is currently no clear way to predict preterm labor or birth. Many research studies are focusing on this important problem.</p></div> <a href="/health/topics/preterm/conditioninfo/predict" rel="bookmark" class="more-link" aria-label="Click to read more about Is it possible to predict who is more likely to experience preterm labor and birth?">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2360" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo/diagnosed" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> How do health care providers diagnose preterm labor? </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>To diagnose preterm labor, your doctor may do a physical exam and ultrasound scans and test your vaginal fluid.</p></div> <a href="/health/topics/preterm/conditioninfo/diagnosed" rel="bookmark" class="more-link" aria-label="Click to read more about How do health care providers diagnose preterm labor?">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2364" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/conditioninfo/treatments" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> What treatments are used to prevent preterm labor and birth? </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>Currently, there is no treatment that can prevent preterm labor and birth, but some things can help delay childbirth.</p></div> <a href="/health/topics/preterm/conditioninfo/treatments" rel="bookmark" class="more-link" aria-label="Click to read more about What treatments are used to prevent preterm labor and birth?">More >></a> </div> </article> </div> </div> </div> </div> </div> <div class="field__item"> <div class="paragraph paragraph--type--title-and-relatedpages paragraph--view-mode--topic-grid"> <div class="grid-col-fill"> <div class="field field--name-field-group-title field--type-string field--label-hidden field__item"><h2>Research</h2></div> <div class="field field--name-field-related-pages field--type-entity-reference field--label-hidden field__items usa-card-group"> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2365" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/researchinfo" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> NICHD Research Information </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>NICHD conducts and supports research on preterm labor and birth and on many disorders associated with them.</p></div> <a href="/health/topics/preterm/researchinfo" rel="bookmark" class="more-link" aria-label="Click to read more about NICHD Research Information">More >></a> </div> </article> </div> </div> </div> </div> </div> <div class="field__item"> <div class="paragraph paragraph--type--title-and-relatedpages paragraph--view-mode--topic-grid"> <div class="grid-col-fill"> <div class="field field--name-field-group-title field--type-string field--label-hidden field__item"><h2>Find a Study</h2></div> <div class="field field--name-field-related-pages field--type-entity-reference field--label-hidden field__items usa-card-group"> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2353" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/clinicaltrials" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> Find a Study on Preterm Labor and Birth </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>NICHD conducts and supports a variety of clinical research projects related to preterm labor and birth.</p></div> <a href="/health/topics/preterm/clinicaltrials" rel="bookmark" class="more-link" aria-label="Click to read more about Find a Study on Preterm Labor and Birth">More >></a> </div> </article> </div> </div> </div> </div> </div> <div class="field__item"> <div class="paragraph paragraph--type--title-and-relatedpages paragraph--view-mode--topic-grid"> <div class="grid-col-fill"> <div class="field field--name-field-group-title field--type-string field--label-hidden field__item"><h2>More Information</h2></div> <div class="field field--name-field-related-pages field--type-entity-reference field--label-hidden field__items usa-card-group"> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2363" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/more_information/other-faqs" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> Other FAQs </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>Find answers to other common questions about preterm labor and birth, such as signs of preterm labor, treatments to delay childbirth, and the effects of preterm birth on infants.</p></div> <a href="/health/topics/preterm/more_information/other-faqs" rel="bookmark" class="more-link" aria-label="Click to read more about Other FAQs">More >></a> </div> </article> </div> <div class="field__item usa-card tablet:grid-col-6"><article data-history-node-id="2371" class="usa-card__container"> <div class="usa-card__header"> <h3 class="usa-card__heading"> <a href="/health/topics/preterm/more_information/resources" rel="bookmark"><span class="field field--name-field-short-title field--type-string field--label-above field__items"> Resources </span> </a> </h3> </div> <div class="usa-card__body"> <div class="clearfix text-formatted field field--name-field-short-summary field--type-text field--label-hidden field__item"><p>Links to websites of groups that study or provide information about preterm labor and birth.</p></div> <a href="/health/topics/preterm/more_information/resources" rel="bookmark" class="more-link" aria-label="Click to read more about Resources">More >></a> </div> </article> </div> </div> </div> </div> </div> </div> <div class="field field--name-field-alternate-titles field--type-string field--label-above"> <div class="field__label">Alternate Titles</div> <div class="field__items"> <div class="field__item">Early Labor and Birth</div> </div> </div> </div> </article> </div> </div>  <div class="usa-footer__return-to-top"> <a href="#" class="back-to-top-text"> <img class="bttarrow-icon" src="/themes/custom/uswds_nichd/img/backtotop.svg" alt="top of page"> BACK TO TOP </a> </div> </div> <aside aria-label="sidebar-second" class="tablet:grid-col-4 sidebar-second padding-top-2"> <div class="region region-sidebar-second"> <div class="block block-ctools-block block-entity-field:node:field-az-book-url display-none tablet:display-block related-external-link" id="block-azbookurl"> <div class="button-wrapper usa-button"> <a class="button-link" aria-label="Display as Fact Sheet" href="/health/topics/factsheets/preterm" 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aria-labelledby="block-az-topic-mobile-nav-menu" id="block-az-topic-mobile-nav" class="block block-menu navigation menu--main tablet:display-none"> <h2 class="visually-hidden" id="block-az-topic-mobile-nav-menu">AZ Topic Mobile Nav</h2> <ul class="usa-sidenav"> <li class="usa-sidenav__item"> <a href="/health/topics/preterm" class="usa-current"> <span>Preterm Labor and Birth</span> </a> <ul class="usa-sidenav__sublist"> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo"> <span>About</span> </a> <ul class="usa-sidenav__sublist"> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/symptoms"> <span>What are the symptoms of preterm labor?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/causes"> <span>What causes preterm labor and birth?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/who_risk"> <span>What are the risk factors for preterm labor and birth?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/predict"> <span>Can we predict who is more likely to experience preterm labor and birth?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/diagnosed"> <span>How do health care providers diagnose preterm labor?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/treatments"> <span>What treatments are used to prevent preterm labor and birth?</span> </a> <ul class="usa-sidenav__sublist"> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/reduce"> <span>What treatments can reduce the chances of preterm labor and birth?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/conditioninfo/methods-do-not-work"> <span>What methods do not work to prevent it?</span> </a> </li> </ul> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/more_information"> <span>More Information</span> </a> <ul class="usa-sidenav__sublist"> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/more_information/other-faqs"> <span>Other FAQs</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/preterm/more_information/resources"> <span>Resources</span> </a> </li> </ul> </li> </ul> </li> </ul> </nav> <div class="views-element-container block block-views block-views-block:nichd-news-and-spotlights-related-data-block" id="block-views-block-nichd-news-and-spotlights-related-data-block"> <h2>NICHD News and Features</h2> <div data-block="block-views-block-nichd-news-and-spotlights-related-data-block"><div class="view 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class="field-content"><a href="/newsroom/news/100124-optimizing-infant-healthDC" hreflang="en">Director's Corner: Optimizing Infant Health</a></span></div></li> </ul> </div> </div> <div class="view-footer"> <div class="more-link"> <a href="/newsroom/news?topic=preterm">All related news</a> </div> </div> </div> </div> </div> </div> </aside> <aside aria-label="sidebar-first" class="grid-col-12 sidebar-first"> <div class="region region-sidebar-first"> <div class="views-element-container block block-views block-views-block:node-metadata-node-metadata-block" id="block-views-block-node-metadata-node-metadata-block-2"> <div data-block="block-views-block-node-metadata-node-metadata-block-2"><div class="view view-node-metadata view-id-node_metadata view-display-id-node_metadata_block js-view-dom-id-165b1cb601652b02727060cfef181ebd81a16413cfe666901456a2d0ea4df7cb"> <div class="view-content"> <div class="grid-col-12 padding-0 views-row"><span class="views-field 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