Birth RateLive BirthPregnancyBirth WeightPremature BirthPregnancy in AdolescencePregnancy RatePregnancy OutcomeEmbryo TransferFertilization in VitroInfant, NewbornInfant, Low Birth WeightIllegitimacyMultiple Birth OffspringReproductive Techniques, AssistedMaternal AgePregnancy, MultipleBirth CertificatesOvulation InductionOocyte RetrievalSperm Injections, IntracytoplasmicVital StatisticsQuality Indicators, Health CareInfertility, FemaleEmbryo ImplantationInfertilityCryopreservationReproductive Control AgentsFollicle Stimulating Hormone, HumanAbortion, SpontaneousGamete Intrafallopian TransferGestational AgeSingle Embryo TransferInfant MortalityClomipheneBirth OrderCesarean SectionFertility Agents, FemalePregnancy ComplicationsAbortion, HabitualAbortion, LegalUnited StatesInsemination, Artificial, HomologousFertilityDelivery, ObstetricNational Center for Health Statistics (U.S.)Embryo Culture TechniquesPrenatal CareRetrospective StudiesSingle ParentPaternal AgeTwinsCleavage Stage, OvumCohort StudiesNafarelinSex RatioFetal MortalityMinorsParental NotificationAbortion, InducedFetal DeathOocyte DonationMarital StatusMenotropinsDemographyBirth IntervalsInsemination, ArtificialRisk FactorsBlastocystParturitionStillbirthParityAnovulationPreimplantation DiagnosisObstetric Labor, PrematureHispanic AmericansFamily Planning PolicySperm RetrievalFallopian Tube DiseasesImmunity, HerdAge FactorsLabor, InducedBirth InjuriesTime FactorsProspective StudiesReproductive TechniquesHealth Status IndicatorsSocioeconomic FactorsTreatment OutcomeCongenital AbnormalitiesSeasonsIndicators and ReagentsAzoospermiaFamily Planning ServicesLogistic ModelsInfant, PrematureOvarian Hyperstimulation SyndromeData CollectionWisconsinAfrican Americans