Fetal DeathFetal MortalityPregnancyCell DeathCause of DeathStillbirthPregnancy OutcomeDeath CertificatesAbortion, SpontaneousHydrops FetalisAbruptio PlacentaeGestational AgeInfant, NewbornColaDeathPregnancy ComplicationsMaternal AgePlacenta DiseasesInfant MortalityAborted FetusCongenital AbnormalitiesPlacentaBirth CertificatesPregnancy Complications, InfectiousPerinatal MortalityFetal DiseasesFetal Growth RetardationPregnancy Trimester, SecondPlacental Function TestsFetal ResorptionAgrochemicalsParvoviridae InfectionsParvovirus B19, HumanPregnancy, High-RiskAmniocentesisAmniotic FluidAbortion, InducedAbnormalities, Drug-InducedUltrasonography, PrenatalAutopsyRisk FactorsDeath, Sudden, CardiacMaternal-Fetal ExchangeFetusChromosome AberrationsNeosporaHELLP SyndromeFetofetal TransfusionPregnancy Complications, CardiovascularRetrospective StudiesPremature BirthChromosome DisordersAbnormalities, MultipleCoccidiosisPregnancy Trimester, ThirdBirth WeightVital StatisticsPlacental CirculationSex RatioFetal MonitoringBrain DeathHazardous WasteTwinsCohort StudiesPrenatal DiagnosisMandatory ReportingTime FactorsInfant, Small for Gestational AgePre-EclampsiaMaternal ExposureLive BirthAbortifacient Agents, NonsteroidalAbortion, VeterinaryPaternal ExposureUnited StatesProspective StudiesTeratogensNew YorkPregnancy, MultipleBlood Transfusion, IntrauterineAttitude to DeathAntiphospholipid SyndromeInfarctionPesticidesObstetric Labor, PrematureMisoprostolSyphilis, CongenitalCesarean SectionTwins, MonozygoticPregnancy Complications, HematologicFetal DevelopmentGeorgiaPregnancy Trimester, FirstPregnancy, AnimalRegistriesCaliforniaInfectious Disease Transmission, VerticalParityEye AbnormalitiesFetal Heart