Pregnancy ComplicationsAbortion, InducedPregnancyPostoperative ComplicationsAbortion, SpontaneousPregnancy OutcomePre-EclampsiaHypertension, Pregnancy-InducedPregnancy Complications, CardiovascularPregnancy Complications, HematologicAbortion, VeterinaryPregnancy Trimester, FirstFemale Urogenital Diseases and Pregnancy ComplicationsRetrospective StudiesAbortion, CriminalAbortion, HabitualPregnancy, EctopicAbortion, TherapeuticPregnancy Complications, NeoplasticFetal Growth RetardationTreatment OutcomeAbruptio PlacentaePremature BirthRisk FactorsPlacentaPregnancy Trimester, SecondPregnancy, AnimalSurgical Wound DehiscenceAbortion ApplicantsPostoperative HemorrhagePlacenta DiseasesAbortion, MissedGestational AgePregnancy Trimester, ThirdUterine ArteryPregnancy Complications, InfectiousFetal DeathReoperationProspective StudiesAbortion, SepticCivil DisordersInfant, NewbornObstetric Labor, PrematureDry SocketSurgical Wound InfectionBiliary Tract DiseasesAnastomotic LeakEclampsiaCongenital AbnormalitiesIntraoperative ComplicationsPregnancy, TwinObstetric Labor ComplicationsTrophoblastsAbortion, ThreatenedPlacental CirculationDiabetes, GestationalPregnancy, High-RiskPreconception CarePregnancy, MultipleTime FactorsCesarean SectionIncidenceFollow-Up StudiesAnastomosis, SurgicalStillbirthRadiology, InterventionalUterusMaternal AgePrenatal CareDrainageBronchomalaciaParityUltrasonography, PrenatalInfant, Small for Gestational AgePregnancy TrimestersRisk AssessmentAbortifacient AgentsBirth WeightPregnancy RatePregnancy ProteinsPregnancy, UnplannedForeign-Body MigrationAntibodies, AntiphospholipidLogistic ModelsPregnancy, UnwantedFatal OutcomeCohort StudiesPregnancy TestsDelivery, ObstetricPlacental InsufficiencyPlacentationHematomaMaternal-Fetal ExchangeHematoma, Subdural, IntracranialTomography, X-Ray ComputedAbortion, IncompleteMultiple Birth OffspringPregnancy in AdolescenceLiver TransplantationIatrogenic Disease