Pregnancy ComplicationsPregnancyFetusalpha-FetoproteinsFetal ProteinsPregnancy OutcomeFetal DeathPregnancy Complications, CardiovascularInfant, NewbornStillbirthGestational AgeCongenital AbnormalitiesTreatment OutcomeApgar ScorePregnancy Complications, NeoplasticHydrops FetalisAbortion, SpontaneousAbnormalities, Drug-InducedPremature BirthUltrasonography, PrenatalFetal DiseasesEclampsiaRetrospective StudiesCesarean SectionOutcome Assessment (Health Care)Pregnancy in DiabeticsPregnancy Trimester, SecondPlacenta DiseasesDelivery, ObstetricFetal MonitoringInfant, Small for Gestational AgePlacental CirculationPreconception CareFetal DevelopmentLive BirthFetal DistressPregnancy Trimester, ThirdPre-EclampsiaFetal Growth RetardationAbortion, TherapeuticPregnancy Complications, HematologicInfant, Low Birth WeightDiabetes, GestationalBirth WeightAnesthesia, ObstetricalProspective StudiesPregnancy Complications, InfectiousPrenatal CareCholestasis, IntrahepaticRisk FactorsUmbilical ArteriesPlacentaUltrasonography, DopplerPregnancy Trimester, FirstMaternal-Fetal ExchangeFollow-Up StudiesOutcome and Process Assessment (Health Care)Blood Flow VelocityPrognosisTime FactorsCase-Control StudiesCohort StudiesSeverity of Illness IndexSurvival AnalysisSurvival RatePredictive Value of TestsPostoperative ComplicationsGlasgow Outcome ScaleRisk AssessmentRandomized Controlled Trials as TopicKaplan-Meier EstimateUnited StatesQuality of LifeMultivariate AnalysisRecurrence