Birth RateLive BirthPregnancyBirth WeightPregnancy RatePremature BirthPregnancy in AdolescencePregnancy OutcomeEmbryo TransferFertilization in VitroReproductive Techniques, AssistedInfant, NewbornIllegitimacyInfant, Low Birth WeightMultiple Birth OffspringPregnancy, MultipleMaternal AgeTreatment OutcomeBirth CertificatesOvulation InductionOocyte RetrievalSperm Injections, IntracytoplasmicInfertility, FemaleInfertilityEmbryo ImplantationRetrospective StudiesVital StatisticsCryopreservationAbortion, SpontaneousGamete Intrafallopian TransferReproductive Control AgentsFollicle Stimulating Hormone, HumanGestational AgeClomipheneFertility Agents, FemaleSingle Embryo TransferCesarean SectionFertilityBirth OrderInfant MortalityAbortion, HabitualAbortion, LegalPregnancy ComplicationsEmbryo Culture TechniquesInsemination, Artificial, HomologousProspective StudiesUnited StatesDelivery, ObstetricTime FactorsNational Center for Health Statistics (U.S.)Prenatal CareSingle ParentCohort StudiesPaternal AgeTwinsCleavage Stage, OvumSex RatioNafarelinOocyte DonationFollow-Up StudiesAbortion, InducedFetal MortalityMinorsParental NotificationInsemination, ArtificialBlastocystSperm RetrievalPreimplantation DiagnosisRisk FactorsFetal DeathReproductive TechniquesDacryocystorhinostomyMenotropinsAge FactorsMarital StatusBirth IntervalsReproductionParturitionStillbirthAnovulationParityDemographyLacrimal Duct ObstructionCatheter AblationObstetric Labor, PrematureFamily Planning PolicyFallopian Tube DiseasesLabor, InducedImmunity, HerdHispanic AmericansAzoospermiaIntubation, IntratrachealAirway ManagementCatheterizationStentsBirth InjuriesFertilizationLogistic ModelsPostoperative ComplicationsOocytes