MothersPregnancyPregnancy ComplicationsPregnancy OutcomePregnancy, AnimalPregnancy, EctopicPregnancy Trimester, FirstPregnancy Trimester, ThirdPregnancy RatePregnancy Complications, CardiovascularPregnancy TrimestersPregnancy in DiabeticsPregnancy TestsPregnancy, MultipleInfant, NewbornPregnancy Complications, InfectiousPregnancy Trimester, SecondPregnancy in AdolescencePregnancy, TubalPregnancy Complications, NeoplasticAbortion, SpontaneousGestational AgePregnancy, High-RiskPregnancy ProteinsMaternal-Fetal ExchangePregnancy, UnplannedPregnancy, UnwantedPregnancy Complications, HematologicPlacentaMother-Child RelationsFetal DeathPre-EclampsiaPrenatal Exposure Delayed EffectsPrenatal CarePregnancy, ProlongedBirth WeightPregnancy, TwinMaternal AgePregnancy Complications, ParasiticParityBreast FeedingAbortion, InducedUterusPregnancy, AbdominalUltrasonography, PrenatalLactationEmbryo ImplantationPregnancy MaintenanceEmbryo TransferFertilization in VitroInfectious Disease Transmission, VerticalMaternal ExposureCesarean SectionPremature BirthFetusFathersFetal Growth RetardationCongenital AbnormalitiesDelivery, ObstetricAbnormalities, Drug-InducedHypertension, Pregnancy-InducedFetal DevelopmentRisk FactorsLabor, ObstetricPregnancy Reduction, MultifetalPrenatal DiagnosisDiabetes, GestationalTwinsProspective StudiesObstetric Labor, PrematureProgesteronePuerperal DisordersFetal DiseasesInfertility, FemaleCohort StudiesMaternal Nutritional Physiological PhenomenaSurrogate MothersMaternal WelfareDeciduaPregnant WomenPlacenta DiseasesAbortion, TherapeuticTrophoblastsStillbirthPostnatal CarePreconception CareChorionic GonadotropinAmniotic FluidParturitionFertilityTime FactorsGravidityAbortion, HabitualFetal BloodPrenatal Nutritional Physiological PhenomenaDepression, PostpartumInfant CareAbortifacient Agents, NonsteroidalInsemination, ArtificialQuestionnaires