EclampsiaPregnancy ComplicationsPregnancyPre-EclampsiaPregnancy OutcomeHypertension, Pregnancy-InducedPregnancy Complications, CardiovascularMagnesium SulfatePregnancy Complications, HematologicAbruptio PlacentaeFemale Urogenital Diseases and Pregnancy ComplicationsPregnancy Trimester, FirstPregnancy, EctopicAbortion, SpontaneousPregnancy Complications, NeoplasticFetal Growth RetardationMaternal MortalityPremature BirthPlacentaPregnancy, AnimalObstetric Labor ComplicationsHELLP SyndromePregnancy Trimester, SecondUterine ArteryGestational AgePregnancy Trimester, ThirdFetal DeathCesarean SectionCivil DisordersPostoperative ComplicationsPlacenta DiseasesInfant, NewbornPregnancy, MultiplePregnancy Complications, InfectiousPregnancy, TwinObstetric Labor, PrematurePrenatal CarePuerperal DisordersPlacental CirculationTrophoblastsDiabetes, GestationalCongenital AbnormalitiesParityPreconception CarePregnancy, High-RiskMaternal AgeDelivery, ObstetricPlacental InsufficiencyRisk FactorsRetrospective StudiesStillbirthInfant, Small for Gestational AgeUterusAbortion, HabitualUltrasonography, PrenatalPregnancy ProteinsBirth WeightPregnancy RateAntibodies, AntiphospholipidPregnancy TrimestersPlacentationMultiple Birth OffspringPregnancy TestsProspective StudiesMaternal-Fetal ExchangePregnancy in DiabeticsPregnancy, TubalAntiphospholipid SyndromePosterior Leukoencephalopathy SyndromeMaternal WelfareReproductive Techniques, AssistedFetal DevelopmentInfant, Low Birth WeightIncidenceFetal Membranes, Premature RuptureFertilization in VitroPregnancy in AdolescenceObstetricsCohort StudiesDeciduaLogistic ModelsTreatment OutcomeTocolytic AgentsOdds RatioThrombophilia