Maternal AgeGestational AgeInfant, NewbornInfant, Small for Gestational AgePregnancyInfant, PrematureDisability EvaluationPremature BirthBirth WeightPregnancy OutcomeDisabled PersonsObstetric Labor, PrematureInfant, Premature, DiseasesInfant, Low Birth WeightUltrasonography, PrenatalCell DeathCause of DeathDown SyndromePregnancy ComplicationsIntellectual DisabilityDevelopmental DisabilitiesPregnancy, High-RiskPregnancy Trimester, SecondBirth OrderRisk FactorsFetal DeathPaternal AgePregnancy Trimester, FirstFetal Growth RetardationAmniocentesisParityTerm BirthInfant MortalityInsurance, DisabilityInfant, Very Low Birth WeightProspective StudiesCrown-Rump LengthPrenatal DiagnosisCohort StudiesFetal Membranes, Premature RupturePregnancy Trimester, ThirdAmniotic FluidFetusCongenital AbnormalitiesRetrospective StudiesStillbirthIntensive Care Units, NeonatalCesarean SectionBirth CertificatesTwinsChorioamnionitisFetal DevelopmentFetal DiseasesDelivery, ObstetricAbortion, SpontaneousPrenatal CareChild DevelopmentApgar ScoreInfant, Extremely PrematurePregnancy, MultiplePre-EclampsiaRespiratory Distress Syndrome, NewbornDeathLogistic ModelsMothersBronchopulmonary DysplasiaActivities of Daily LivingFollow-Up StudiesLearning DisordersTrisomyPerinatal MortalityIntensive Care, NeonatalRegression AnalysisPlacentaRetinopathy of PrematurityPensionsInfant, Newborn, DiseasesTime FactorsNuchal Translucency MeasurementCase-Control StudiesOdds RatioUnited StatesAge FactorsSocioeconomic FactorsRegistriesChromosome DisordersPrenatal Exposure Delayed EffectsMaternal ExposureLive BirthInfant, Extremely Low Birth WeightPrevalenceReference ValuesFetal BloodFetal MacrosomiaCross-Sectional StudiesPregnancy, TwinPerinatal CareDisabled ChildrenLabor, ObstetricNondisjunction, Genetic