Analgesia, EpiduralAnalgesia, ObstetricalCesarean SectionAnalgesiaAnalgesia, Patient-ControlledAnesthesia, ObstetricalAnesthesia, EpiduralBupivacaineLabor, ObstetricLabor PainAnalgesics, OpioidPain, PostoperativeAnesthetics, LocalPregnancyLabor Stage, FirstDelivery, ObstetricObstetric Labor ComplicationsFentanylSufentanilPain MeasurementMeperidineAmidesCesarean Section, RepeatAnesthesia, SpinalTrial of LaborVaginal Birth after CesareanMorphineApgar ScorePregnancy OutcomeLabor Stage, SecondExtraction, ObstetricalLabor, InducedParityDystociaPostoperative Nausea and VomitingHydromorphoneHeart Rate, FetalAnesthesia, GeneralUterine RuptureNerve BlockDouble-Blind MethodInfant, NewbornPuerperal DisordersThoracotomyBreech PresentationInjections, SpinalDrug Delivery SystemsProspective StudiesObstetrics and Gynecology Department, HospitalAnalgesicsEndometritisSurgical Procedures, ElectiveEpisiotomyNalbuphinePostpartum PeriodLidocaineHypotensionPainUrinary RetentionMepivacaineFetal MonitoringLacerationsPerineumAcupuncture AnalgesiaPuerperal InfectionOxytocicsPostoperative CareOxytocinFemoral NerveObstetrical ForcepsInjections, IntravenousTerm BirthThoracic Surgical ProceduresGestational AgeHematoma, Epidural, SpinalRetrospective StudiesPostoperative ComplicationsPerioperative CareEphedrineLabor PresentationPregnancy ComplicationsPruritusAbdomenTime FactorsPelvimetryUterine ContractionUterine InertiaFeverHysterotomySagittal Sinus ThrombosisIleusPlacenta AccretaTreatment OutcomePatient SatisfactionPregnancy, TwinCatheterizationPostpartum HemorrhageCicatrixObstetricsClonidine