AnalgesiaAnalgesia, EpiduralAnesthesia, GeneralAnalgesia, ObstetricalAnesthesiaAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnalgesia, Patient-ControlledAnesthesia, ConductionAnesthesia, InhalationAnesthesia, IntravenousAnesthesia, ObstetricalAnalgesics, OpioidPain, PostoperativeAnesthetics, LocalBupivacaineAnesthesia Recovery PeriodFentanylAnesthesia, DentalPain MeasurementMorphineAdjuvants, AnesthesiaNerve BlockAnesthetics, IntravenousAnesthetics, InhalationAnesthetics, CombinedPropofolAcupuncture AnalgesiaAnalgesicsLidocaineNitrous OxideSufentanilChief Cells, GastricAnesthesiologyIsofluraneMeperidinePainKetamineAnesthesia, CaudalAnestheticsMonitoring, IntraoperativeLabor PainConscious SedationCesarean SectionInjections, SpinalAmbulatory Surgical ProceduresDouble-Blind MethodHalothanePostoperative Nausea and VomitingPreanesthetic MedicationAmidesAnesthesia and AnalgesiaLabor, ObstetricAnesthetics, DissociativeTramadolHypnotics and SedativesAlfentanilAnesthesia, Closed-CircuitMepivacaineAnesthetics, GeneralThiopentalAnalgesics, Non-NarcoticPrilocaineProspective StudiesAnesthesia Department, HospitalXylazinePentobarbitalNaloxoneEnfluraneIntubation, IntratrachealIntraoperative PeriodPain ThresholdIntraoperative ComplicationsKetorolacPregnancyPiperidinesClonidineFemoral NerveInterpleural AnalgesiaMidazolamDrug ToleranceAnesthesia, IntratrachealBrachial PlexusDose-Response Relationship, DrugReceptors, Opioid, muLabor Stage, FirstDexmedetomidineTime FactorsPirinitramideHydromorphonePain ManagementButorphanolPostoperative CarePostoperative ComplicationsSurgical Procedures, MinorHemodynamicsConsciousnessElectroencephalographySurgical Procedures, Operative