Pregnancy TrimestersPregnancy Trimester, ThirdPregnancy Trimester, FirstPregnancyPregnancy Trimester, SecondParturitionPregnancy ComplicationsPregnancy OutcomeNatural ChildbirthPregnancy, AnimalPregnancy, EctopicDelivery, ObstetricHome ChildbirthPuerperal DisordersPregnancy Complications, CardiovascularPregnancy Complications, NeoplasticAbortion, SpontaneousGestational AgePostpartum PeriodParityPrenatal CarePregnancy Complications, InfectiousPregnancy RateUltrasonography, PrenatalInfant, NewbornLabor, ObstetricPregnancy in DiabeticsCesarean SectionMidwiferyPregnancy, MultipleMaternal Health ServicesPregnancy TestsAbortion, InducedPregnancy in AdolescencePlacentaPregnancy, TubalPre-EclampsiaPregnancy, High-RiskDepression, PostpartumPostnatal CareLabor PainPregnancy ProteinsMaternal AgeObstetric Labor ComplicationsPrenatal EducationPregnancy Complications, HematologicTrophoblastsFetal DeathFetal DiseasesMothersPrenatal DiagnosisObstetricsEpisiotomyPregnancy, UnplannedBirth WeightPregnancy, UnwantedMaternal-Fetal ExchangeChorionic VilliDeciduaMaternal MortalityFetusFetal DevelopmentFetal Growth RetardationAbnormalities, Drug-InducedPregnancy, TwinProspective StudiesPrenatal Exposure Delayed EffectsNurse MidwivesMaternal WelfareUterusPregnancy Complications, ParasiticHospitals, MaternityAmniotic FluidAbortifacient Agents, NonsteroidalFathersRisk FactorsHypertension, Pregnancy-InducedParental LeaveMaternal ExposureCrown-Rump LengthPregnancy, ProlongedPremature BirthGravidityPregnancy MaintenancePregnancy, AbdominalCohort StudiesPerinatal CareChorionic Gonadotropin, beta Subunit, HumanEmbryo ImplantationFertilization in VitroInfant, Low Birth WeightObstetrics and Gynecology Department, HospitalAbortion, TherapeuticAbortion, HabitualObstetric Labor, PrematurePelvic Floor DisordersCongenital AbnormalitiesGynecological ExaminationEmbryo TransferDown Syndrome