About Necrotizing Enterocolitis (NEC) | 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 usa-current" aria-expanded="true" 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" aria-expanded="false" 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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class="field field--name-title field--type-string field--label-hidden">About Necrotizing Enterocolitis (NEC)</span> </h1> </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/nec/informacion">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="2069"> <div> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><h2>What is NEC?</h2> <p>Necrotizing enterocolitis, or NEC, is a common disease of the intestinal tract in which the tissue lining the intestine becomes inflamed, dies, and can slough off.</p> <p>The condition typically affects infants who are born preterm or who are already sick, and it usually occurs before the newborn leaves the hospital.<sup><a href="#f1">1</a></sup></p> <p>NEC usually begins within the first 2 or 3 weeks after birth in preterm infants who otherwise appear to be getting healthier.<sup><a href="#f2">2</a></sup></p> <div data-embed-button="nichd_citations_embed_btn" data-entity-embed-display="view_mode:nichd_citations.citations" data-entity-type="nichd_citations" data-entity-uuid="95023c39-e3bd-4ca3-8aab-98ef5b71a31c" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity"> <div class="nichd_citations usa-accordion margin-top-2"> <h2> Citations </h2> <button class="usa-accordion__button citationsanchor" aria-expanded="true" aria-controls="citation-id-243" aria-label="Toggle citations open and closed"> </button> <div id="citation-id-243" class="usa-accordion__content usa-prose citations"> <div class="clearfix text-formatted field field--name-field-body field--type-text-long field--label-hidden field__item"><ol> <li><a name="f1"></a>U.S. National Library of Medicine. (2011). <em>Necrotizing enterocolitis</em>. Retrieved August 1, 2012, from <a href="https://medlineplus.gov/spanish/ency/article/001148.htm" target="_blank">https://medlineplus.gov/ency/article/001148.htm</a></li> <li><a name="f2"></a>Medscape. (2012). <em>Necrotizing enterocolitis</em>. 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class="usa-sidenav__sublist"> <li class="usa-sidenav__item"> <a href="/health/topics/nec/conditioninfo/symptoms"> <span>What are the symptoms of necrotizing enterocolitis (NEC)?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/conditioninfo/risk"> <span>How many infants are at risk for necrotizing enterocolitis (NEC)?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/conditioninfo/diagnose"> <span>How do healthcare providers diagnose necrotizing enterocolitis (NEC)?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/conditioninfo/treatments"> <span>What are the common treatments for necrotizing enterocolitis (NEC)?</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/conditioninfo/causes"> <span>What causes necrotizing enterocolitis (NEC)?</span> </a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/researchinfo"> <span>NICHD Research Information</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/clinicaltrials"> <span>Find a Study</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/more_information"> <span>More Information</span> </a> <ul class="usa-sidenav__sublist"> <li class="usa-sidenav__item"> <a href="/health/topics/nec/more_information/other-faqs"> <span>Other FAQs</span> </a> </li> <li class="usa-sidenav__item"> <a href="/health/topics/nec/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:related-a-z-topics-related-aztopics-subpages-block" id="block-views-block-related-a-z-topics-related-aztopics-subpages-block"> <h2>Related A-Z Topics</h2> <div data-block="block-views-block-related-a-z-topics-related-aztopics-subpages-block"><div class="view view-related-a-z-topics view-id-related_a_z_topics view-display-id-related_aztopics_subpages_block 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class="topic-content"><div class="views-field views-field-title"><span class="field-content"><a href="/newsroom/news/052224-preterm-transfusions-NEC" hreflang="en">Science Update: Blood transfusions for preterm infants not associated with risk for necrotizing enterocolitis, NIH-funded study suggests </a></span></div></li> </ul> </div> </div> <div class="view-footer"> <div class="more-link"> <a href="/newsroom/news?topic=nec">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 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