Apgar ScoreInfant, NewbornAsphyxia NeonatorumFetal DistressCesarean SectionPregnancyAnesthesia, ObstetricalPregnancy OutcomeDelivery, ObstetricGestational AgeBirth WeightFetal MonitoringInfant, PrematureLabor, ObstetricPregnancy ComplicationsObstetric Labor ComplicationsInfant, Newborn, DiseasesResuscitationAnalgesia, ObstetricalInfant, Low Birth WeightObstetrical ForcepsRetrospective StudiesDelivery RoomsLabor, InducedExtraction, ObstetricalProspective StudiesCardiotocographyInfant, Very Low Birth WeightMeconiumMeconium Aspiration SyndromeUmbilical ArteriesRisk FactorsIntensive Care Units, NeonatalVacuum Extraction, ObstetricalInfant, Premature, DiseasesInfant MortalityTerm BirthFetal HypoxiaLabor Stage, FirstMaternal AgeLabor Stage, SecondLive BirthBrain Damage, ChronicPregnancy, ProlongedAnesthesia, EpiduralSeverity of Illness IndexFetal BloodCohort StudiesPremature BirthHypoxia-Ischemia, BrainLabor PresentationPerinatal MortalityLabor PainAnesthesia, SpinalTreatment OutcomePerinatal CarePregnancy, TwinPregnancy Trimester, ThirdPredictive Value of TestsTime FactorsFollow-Up StudiesParityReproducibility of ResultsCerebral PalsyBupivacaineRespiratory Distress Syndrome, NewbornFetal Growth RetardationHome ChildbirthFetal DeathQuestionnairesInfant, Small for Gestational AgePregnancy Complications, CardiovascularNatural ChildbirthLogistic ModelsIntraoperative CareHeart Rate, FetalRisk AssessmentPre-EclampsiaIllinoisCongenital AbnormalitiesMaternal-Fetal ExchangePregnancy TrimestersAnalgesia, EpiduralUmbilical CordLod ScoreHospitals, MaternityHemiplegiaIntensive Care, NeonatalDouble-Blind MethodSpecialties, SurgicalHealth Status IndicatorsCross-Sectional StudiesWomen, WorkingHypotensionStillbirthDevelopmental DisabilitiesChild DevelopmentPrenatal CareMeperidineQuadriplegia