AnalgesiaAnalgesia, EpiduralAnesthesia, GeneralAnesthesiaAnalgesia, ObstetricalAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnalgesia, Patient-ControlledAnesthesia, ConductionAnesthesia, InhalationAnesthesia, IntravenousAnesthesia, ObstetricalAnalgesics, OpioidPain, PostoperativeAnesthetics, LocalBupivacaineAnesthesia Recovery PeriodFentanylPreventive Health ServicesPain MeasurementAnesthesia, DentalMorphineAdjuvants, AnesthesiaNerve BlockAnesthetics, IntravenousPreventive MedicineAnesthetics, InhalationAnesthetics, CombinedPropofolAcupuncture AnalgesiaAnalgesicsLidocaineNitrous OxideSufentanilMethyl EthersAnesthesiologyIsofluraneMeperidinePainKetamineAnesthesia, CaudalAnestheticsMonitoring, IntraoperativeLabor PainCesarean SectionConscious SedationDouble-Blind MethodInjections, SpinalAmbulatory Surgical ProceduresPreanesthetic MedicationHalothanePostoperative Nausea and VomitingAmidesAnesthesia and AnalgesiaLabor, ObstetricAnesthetics, DissociativeTramadolHypnotics and SedativesAlfentanilProspective StudiesAnesthesia, Closed-CircuitMepivacaineAnesthetics, GeneralPreventive DentistryThiopentalAnalgesics, Non-NarcoticPregnancyPrilocaineAnesthesia Department, HospitalXylazinePentobarbitalNaloxoneIntubation, IntratrachealTime FactorsEnfluraneIntraoperative PeriodIntraoperative ComplicationsPain ThresholdKetorolacPiperidinesClonidineFemoral NerveDose-Response Relationship, DrugInterpleural AnalgesiaMidazolamDrug ToleranceAnesthesia, IntratrachealBrachial PlexusReceptors, Opioid, muLabor Stage, FirstDexmedetomidinePostoperative ComplicationsPirinitramidePain ManagementTreatment OutcomePostoperative CareHydromorphoneButorphanolHemodynamics