Apgar ScoreInfant, NewbornAsphyxia NeonatorumFetal DistressCesarean SectionAnesthesia, ObstetricalPregnancyDelivery, ObstetricPregnancy OutcomeGestational AgeBirth WeightFetal MonitoringInfant, PrematureLabor, ObstetricPregnancy ComplicationsObstetric Labor ComplicationsInfant, Newborn, DiseasesResuscitationAnalgesia, ObstetricalInfant, Low Birth WeightObstetrical ForcepsDelivery RoomsLabor, InducedExtraction, ObstetricalCardiotocographyMeconium Aspiration SyndromeMeconiumInfant, Very Low Birth WeightUmbilical ArteriesRetrospective StudiesVacuum Extraction, ObstetricalIntensive Care Units, NeonatalInfant, Premature, DiseasesFetal HypoxiaTerm BirthLabor Stage, FirstInfant MortalityMaternal AgeLabor Stage, SecondLive BirthPregnancy, ProlongedAnesthesia, EpiduralProspective StudiesBrain Damage, ChronicFetal BloodRisk FactorsPremature BirthHypoxia-Ischemia, BrainLabor PresentationPerinatal MortalityLabor PainAnesthesia, SpinalPregnancy, TwinPerinatal CarePregnancy Trimester, ThirdParityBupivacaineCohort StudiesSeverity of Illness IndexRespiratory Distress Syndrome, NewbornCerebral PalsyFetal Growth RetardationHome ChildbirthFetal DeathNatural ChildbirthPregnancy Complications, CardiovascularInfant, Small for Gestational AgeHeart Rate, FetalIntraoperative CarePre-EclampsiaHospitals, MaternityCongenital AbnormalitiesAnalgesia, EpiduralMaternal-Fetal ExchangeUmbilical CordLod ScorePredictive Value of TestsPregnancy TrimestersIllinoisSpecialties, SurgicalHemiplegiaFollow-Up StudiesIntensive Care, NeonatalHypotensionWomen, WorkingStillbirthMeperidineTreatment OutcomePrenatal CareLogistic ModelsDevelopmental DisabilitiesAcid-Base EquilibriumPregnancy, High-RiskPregnancy in DiabeticsRisk AssessmentQuadriplegiaFetal DiseasesAnesthesia, GeneralChild DevelopmentFentanyl