Fetal DeathStillbirthFetal MortalityPregnancyCause of DeathPregnancy OutcomePregnancy ComplicationsInfant MortalityCell DeathInfant, NewbornAbortion, SpontaneousPerinatal MortalityGestational AgeMaternal AgeDeath CertificatesPregnancy Complications, InfectiousAbruptio PlacentaeCongenital AbnormalitiesPremature BirthAbortion, VeterinaryPlacenta DiseasesBirth CertificatesFetal Growth RetardationPregnancy, High-RiskHydrops FetalisPlacentaColaBirth WeightDeathFetal MonitoringRisk FactorsLive BirthSyphilis, CongenitalParityAbortion, InducedFetal DiseasesPrenatal CareDelivery, ObstetricAbnormalities, Drug-InducedAutopsyAborted FetusCesarean SectionInfant, Small for Gestational AgeAmniotic FluidPregnancy Complications, CardiovascularPregnancy Trimester, ThirdMaternal ExposurePregnancy Trimester, SecondPlacental Function TestsTwinsMaternal-Fetal ExchangeCohort StudiesUltrasonography, PrenatalPre-EclampsiaFetusFetal ResorptionObstetric Labor ComplicationsAgrochemicalsParvovirus B19, HumanParvoviridae InfectionsRetrospective StudiesInfant, Low Birth WeightPregnancy, MultiplePelvimetryAsphyxia NeonatorumRadioactive PollutantsAmniocentesisPerinatal CareObstetric Labor, PrematureNeosporaRegistriesWorld HealthDeath, Sudden, CardiacPrenatal DiagnosisFetal MovementHELLP SyndromeFetofetal TransfusionPregnancy Complications, HematologicInfectious Disease Transmission, VerticalProspective StudiesCoccidiosisVital StatisticsInsurancePlacental CirculationBrain DeathHazardous WastePlacental HormonesChorioamnionitisSex RatioUnited StatesOdds RatioPopulation SurveillanceTime FactorsMandatory ReportingApgar ScoreDenmarkHypertension, Pregnancy-InducedDeveloping CountriesCausalityPregnancy Tests