Fetal DeathFetal MortalityMortalityCause of DeathPregnancyCell DeathInfant MortalityStillbirthDeath CertificatesHospital MortalityInfant, NewbornPregnancy OutcomePerinatal MortalityAbortion, SpontaneousHydrops FetalisAbruptio PlacentaeDeathGestational AgeColaPregnancy ComplicationsCohort StudiesMaternal AgeRetrospective StudiesPlacenta DiseasesBirth CertificatesTime FactorsPregnancy Complications, InfectiousChild MortalityAborted FetusMaternal MortalityRisk FactorsPlacentaUnited StatesProspective StudiesFetal Growth RetardationFollow-Up StudiesPlacental Function TestsAgrochemicalsFetal ResorptionParvoviridae InfectionsParvovirus B19, HumanPregnancy Trimester, SecondRisk AssessmentFetal DiseasesTreatment OutcomePregnancy, High-RiskDeath, Sudden, CardiacSurvival AnalysisAbortion, InducedVital StatisticsAutopsyAmniotic FluidRegistriesSurvival RateCongenital AbnormalitiesAmniocentesisBirth WeightMaternal-Fetal ExchangeNeosporaPremature BirthPregnancy Complications, CardiovascularHELLP SyndromeProportional Hazards ModelsFetofetal TransfusionAge FactorsUltrasonography, PrenatalRiskSex RatioCardiovascular DiseasesAbnormalities, Drug-InducedFetusCoccidiosisPrognosisTwinsFetal MonitoringIncidenceEpidemiologic MethodsMortality, PrematureHazardous WastePregnancy Trimester, ThirdPlacental CirculationBrain DeathMandatory ReportingPopulation SurveillanceNew YorkDenmarkInfant, Small for Gestational AgePre-EclampsiaCaliforniaSex FactorsLogistic ModelsNeoplasmsOdds RatioLive BirthMaternal ExposureEuropean Continental Ancestry GroupAbortion, VeterinaryLife ExpectancyKaplan-Meier EstimatePrenatal Diagnosis