Birth RateBirth WeightInfant, Low Birth WeightPregnancyInfant, NewbornLive BirthPregnancy OutcomeGestational AgePremature BirthPregnancy in AdolescencePregnancy RatePregnancy ComplicationsFetal DevelopmentEmbryo TransferFertilization in VitroInfant, PrematurePrenatal Exposure Delayed EffectsIllegitimacyMultiple Birth OffspringReproductive Techniques, AssistedMaternal ExposureMaternal AgePregnancy, MultipleBody HeightBirth CertificatesInfant, Small for Gestational AgeRisk FactorsCohort StudiesOvulation InductionOocyte RetrievalInfant, Premature, DiseasesApgar ScoreSperm Injections, IntracytoplasmicVital StatisticsParityInfertility, FemaleEmbryo ImplantationRetrospective StudiesInfertilityProspective StudiesCryopreservationChild DevelopmentReproductive Control AgentsFetal Growth RetardationFollicle Stimulating Hormone, HumanWeight GainBody WeightAbortion, SpontaneousGamete Intrafallopian TransferSingle Embryo TransferClomipheneBirth OrderCesarean SectionInfant MortalityFertility Agents, FemaleInfant, Very Low Birth WeightAbortion, HabitualAbortion, LegalLinear ModelsInsemination, Artificial, HomologousFertilityDelivery, ObstetricNational Center for Health Statistics (U.S.)Embryo Culture TechniquesUnited StatesSingle ParentPaternal AgePrenatal CareTwinsCleavage Stage, OvumNafarelinSex RatioFetal MortalityMinorsBody Mass IndexParental NotificationAbortion, InducedOocyte DonationFetal DeathMenotropinsMarital StatusBirth IntervalsInsemination, ArtificialBlastocystStillbirthParturitionAnovulationPreimplantation DiagnosisObstetric Labor, PrematureFollow-Up StudiesFamily Planning PolicyDemographySperm RetrievalFallopian Tube DiseasesImmunity, HerdBlood PressureLabor, InducedHispanic AmericansBirth InjuriesReproductive Techniques