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PregnancyPregnancy OutcomePregnancy ComplicationsPregnancy, AnimalPregnancy, EctopicClinical Trials as TopicPregnancy Trimester, FirstPregnancy RatePregnancy Trimester, ThirdPregnancy Complications, CardiovascularPregnancy TrimestersPregnancy TestsPregnancy, MultiplePregnancy in DiabeticsPregnancy Trimester, SecondPregnancy, TubalPregnancy Complications, NeoplasticPregnancy in AdolescencePregnancy Complications, InfectiousAbortion, SpontaneousPregnancy ProteinsPregnancy, UnplannedPregnancy, High-RiskPregnancy, UnwantedGestational AgeInfant, NewbornPregnancy Complications, HematologicPregnancy, ProlongedPre-EclampsiaPregnancy, TwinPlacentaFetal DeathAbortion, InducedUterusPregnancy Complications, ParasiticPregnancy, AbdominalProspective StudiesPregnancy MaintenancePrenatal CareEmbryo ImplantationUltrasonography, PrenatalEmbryo TransferFertilization in VitroDouble-Blind MethodTime FactorsMaternal-Fetal ExchangeParityClinical Trials, Phase III as TopicTreatment OutcomePrenatal Exposure Delayed EffectsResearch DesignBirth WeightCesarean SectionRisk FactorsPregnancy Reduction, MultifetalMaternal AgeHypertension, Pregnancy-InducedProgesteroneFetal Growth RetardationPremature BirthClinical Trials, Phase II as TopicInfertility, FemaleControlled Clinical Trials as TopicClinical Trials, Phase I as TopicAbnormalities, Drug-InducedLabor, ObstetricFetal DevelopmentObstetric Labor, PrematureLactationFetusFollow-Up StudiesDeciduaCongenital AbnormalitiesTwinsChorionic GonadotropinPrenatal DiagnosisDiabetes, GestationalMaternal ExposureAbortion, TherapeuticDelivery, ObstetricAbortifacient Agents, NonsteroidalCohort StudiesRetrospective StudiesTrophoblastsAbortion, HabitualInsemination, ArtificialPuerperal DisordersFetal DiseasesInfant, Low Birth WeightSperm Injections, IntracytoplasmicFertilityEndometriumPreconception CarePregnant WomenInfertilityPlacenta DiseasesPlacebosStillbirthAmniotic FluidGravidity