Maternal DeathMaternal AgeGestational AgeMaternal MortalityPregnancyInfant, NewbornInfant, Small for Gestational AgeInfant, PrematureCause of DeathPregnancy ComplicationsPremature BirthPregnancy OutcomeEclampsiaMaternal Health ServicesBirth WeightPostpartum HemorrhageObstetric Labor ComplicationsObstetric Labor, PrematureInfant MortalityDelivery, ObstetricFetal DeathInfant, Premature, DiseasesInfant, Low Birth WeightPregnancy Complications, CardiovascularUltrasonography, PrenatalCell DeathRisk FactorsCesarean SectionParityHypertension, Pregnancy-InducedMaternal WelfarePrenatal CareDown SyndromePregnancy, High-RiskPregnancy Trimester, SecondBirth OrderRetrospective StudiesPerinatal MortalityPre-EclampsiaStillbirthPaternal AgePregnancy Trimester, FirstFetal Growth RetardationAmniocentesisPuerperal DisordersProspective StudiesCohort StudiesAbortion, SpontaneousAutopsyEmbolism, Amniotic FluidTerm BirthDeathInfant, Very Low Birth WeightCrown-Rump LengthMortalityPrenatal DiagnosisFetal Membranes, Premature RupturePregnancy Trimester, ThirdDeath CertificatesUterine HemorrhagePregnancy Complications, InfectiousDeveloping CountriesAmniotic FluidPerinatal CareAbortion, InducedCongenital AbnormalitiesFetusParturitionAnesthesia, ObstetricalBirth CertificatesIntensive Care Units, NeonatalMidwiferyInfant, Extremely PrematureHELLP SyndromeRegistriesChorioamnionitisFetal DevelopmentFetal DiseasesTwinsIncidencePuerperal InfectionPregnancy, MultipleAge FactorsSocioeconomic FactorsApgar ScoreUnited StatesRespiratory Distress Syndrome, NewbornOxytocicsChild DevelopmentObstetricsPregnancy Complications, HematologicObstetrics and Gynecology Department, HospitalBronchopulmonary DysplasiaAbortion, CriminalMothersBirthing CentersTime FactorsLogistic ModelsCase-Control StudiesTrisomy