Fetal DeathFetal MortalityPregnancyCell DeathCause of DeathStillbirthDeath CertificatesPregnancy OutcomeAbruptio PlacentaeAbortion, SpontaneousHydrops FetalisColaDeathGestational AgePregnancy ComplicationsInfant, NewbornMaternal AgePlacenta DiseasesInfant MortalityAborted FetusDNA Copy Number VariationsBirth CertificatesPlacentaPregnancy Complications, InfectiousPerinatal MortalityPlacental Function TestsFetal Growth RetardationFetal ResorptionParvoviridae InfectionsParvovirus B19, HumanAgrochemicalsPregnancy Trimester, SecondFetal DiseasesPregnancy, High-RiskGene DosageAmniotic FluidAbortion, InducedAmniocentesisNeosporaMaternal-Fetal ExchangeAutopsyDeath, Sudden, CardiacHELLP SyndromeFetofetal TransfusionCongenital AbnormalitiesPregnancy Complications, CardiovascularRisk FactorsFetusPremature BirthUltrasonography, PrenatalCoccidiosisAbnormalities, Drug-InducedVital StatisticsBirth WeightPregnancy Trimester, ThirdPlacental CirculationBrain DeathHazardous WasteFetal MonitoringSex RatioTwinsMandatory ReportingCohort StudiesRetrospective StudiesInfant, Small for Gestational AgePre-EclampsiaMaternal ExposureAbortifacient Agents, NonsteroidalLive BirthPrenatal DiagnosisAbortion, VeterinaryTime FactorsPaternal ExposureUnited StatesBlood Transfusion, IntrauterineAttitude to DeathNew YorkPregnancy, MultipleSyphilis, CongenitalAntiphospholipid SyndromeMisoprostolObstetric Labor, PrematurePesticidesTeratogensInfarctionCesarean SectionGeorgiaInfectious Disease Transmission, VerticalPregnancy Complications, HematologicTwins, MonozygoticMolecular Sequence DataFetal DevelopmentCaliforniaPregnancy, AnimalBase SequenceRegistriesParityWashingtonChorioamnionitisDenmark