Analgesia, EpiduralAnalgesia, ObstetricalAnalgesiaAnalgesia, Patient-ControlledAnesthesia, EpiduralBupivacaineLabor PainPain, PostoperativeAnalgesics, OpioidLabor, ObstetricAnesthetics, LocalAnesthesia, ObstetricalPain MeasurementFentanylPainSufentanilLabor Stage, FirstAmidesCesarean SectionMeperidineObstetric Labor ComplicationsMorphinePregnancyNerve BlockPain ManagementAnalgesicsDelivery, ObstetricLabor Stage, SecondThoracotomyPostoperative Nausea and VomitingDouble-Blind MethodPain ThresholdExtraction, ObstetricalChronic PainAnesthesia, GeneralHydromorphoneApgar ScoreAnesthesia, SpinalHeart Rate, FetalLidocaineNalbuphineInjections, SpinalDystociaPuerperal DisordersUrinary RetentionMepivacaineAcupuncture AnalgesiaProspective StudiesLacerationsPerineumParityPain, IntractablePostoperative CareBack PainFemoral NerveLow Back PainEpisiotomyObstetrical ForcepsPain PerceptionThoracic Surgical ProceduresHematoma, Epidural, SpinalPerioperative CareAbdominal PainAbdomenPruritusNeck PainObstetrics and Gynecology Department, HospitalHypotensionPostoperative ComplicationsFeverIleusAcute PainTreatment OutcomeSagittal Sinus ThrombosisInjections, IntravenousFacial PainPelvic PainPostpartum PeriodOxytocinCatheterizationClonidineFetal MonitoringDrug Administration ScheduleDrug CombinationsTime FactorsEpidural AbscessUterine ContractionPain, ReferredPatient SatisfactionTramadolProcaineAnalgesics, Non-NarcoticPregnancy OutcomeThoraxShoulder PainArthroplasty, Replacement, KneeNociceptive PainOrthopedic ProceduresPostoperative PeriodInfant, Newborn