AnalgesiaAnalgesia, EpiduralAnesthesia, GeneralAnalgesia, ObstetricalAnesthesiaLosartanAnesthesia, EpiduralAnalgesia, Patient-ControlledAnesthesia, ConductionAnesthesia, InhalationAnesthesia, IntravenousAnesthesia, ObstetricalAnalgesics, OpioidPain, PostoperativeAnesthetics, LocalBupivacaineAnesthesia Recovery PeriodFentanylPain MeasurementAnesthesia, DentalMorphineAdjuvants, AnesthesiaNerve BlockAnesthetics, IntravenousAnesthetics, InhalationAnesthetics, CombinedPropofolAcupuncture AnalgesiaAnalgesicsLidocaineNitrous OxideSufentanilMethyl EthersAnesthesiologyIsofluraneMeperidinePainKetamineAnesthesia, CaudalAnestheticsMonitoring, IntraoperativeDouble-Blind MethodLabor PainConscious SedationCesarean SectionInjections, SpinalHalothanePostoperative Nausea and VomitingPreanesthetic MedicationAmidesAnesthesia and AnalgesiaLabor, ObstetricAnesthetics, DissociativeProspective StudiesTramadolHypnotics and SedativesAlfentanilMepivacaineAnesthetics, GeneralThiopentalAnalgesics, Non-NarcoticPrilocainePregnancyTime FactorsXylazinePentobarbitalNaloxoneIntubation, IntratrachealIntraoperative PeriodPain ThresholdIntraoperative ComplicationsKetorolacPiperidinesClonidineDose-Response Relationship, DrugFemoral NerveInterpleural AnalgesiaMidazolamTreatment OutcomeDrug ToleranceAnesthesia, IntratrachealBrachial PlexusReceptors, Opioid, muLabor Stage, FirstDexmedetomidinePain ManagementDrug Administration SchedulePirinitramideHydromorphoneButorphanolPostoperative ComplicationsPostoperative CareSurgical Procedures, MinorHemodynamicsInjections, IntravenousSeasonsConsciousnessElectroencephalographySurgical Procedures, OperativeNalbuphine