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Pregnancy Trimester, ThirdPregnancy Trimester, FirstPregnancy Trimester, SecondPregnancy TrimestersPregnancyAbortion, InducedAbortion, SpontaneousAbortifacient Agents, NonsteroidalAborted FetusMisoprostolAdministration, IntravaginalPregnancy ComplicationsAbortifacient Agents, SteroidalGestational AgePregnancy OutcomeDeciduaUltrasonography, PrenatalPregnancy, AnimalPregnancy Complications, CardiovascularPregnancy Complications, InfectiousPlacentaPregnancy in DiabeticsPre-EclampsiaInfant, NewbornPregnancy Complications, NeoplasticFetal DiseasesPregnancy, EctopicFetal DevelopmentFetal Growth RetardationPostpartum PeriodTrophoblastsFetusPregnancy Complications, HematologicBirth WeightPrenatal DiagnosisMaternal-Fetal ExchangeFetal DeathChorionic VilliAmniotic FluidPrenatal CareMaternal ExposurePrenatal Exposure Delayed EffectsPregnancy, High-RiskPregnancy, MultiplePregnancy ProteinsPregnancy RateAbnormalities, Drug-InducedProspective StudiesPregnancy TestsPregnancy in AdolescencePregnancy Complications, ParasiticHypertension, Pregnancy-InducedPremature BirthCesarean SectionMeconiumMaternal AgeParityPregnancy, TubalPuerperal DisordersInfant, Small for Gestational AgeDiabetes, GestationalFetal MonitoringFetal WeightFetal MovementObstetric Labor, PrematureFetal HeartEmbryonic and Fetal DevelopmentUterusCrown-Rump LengthLabor, ObstetricInfant, Low Birth WeightPlacental CirculationOligohydramniosAmniocentesisFetal MacrosomiaCongenital AbnormalitiesFetal BloodPrenatal Nutritional Physiological PhenomenaPregnant WomenHeart Rate, FetalCohort StudiesUmbilical ArteriesUterine ArteryMaternal Nutritional Physiological PhenomenaDown SyndromePregnancy, UnplannedPlacental ExtractsChorionic Gonadotropin, beta Subunit, HumanPlacenta DiseasesPregnancy, TwinChorionRisk FactorsReference ValuesFetal Membranes, Premature RupturePlacentationRetrospective StudiesInfectious Disease Transmission, VerticalAbortion, HabitualPregnancy, UnwantedFetal Alcohol Spectrum Disorders