Anesthesia, EpiduralAnesthesia, ObstetricalAnesthesia, GeneralAnesthesiaAnesthetics, LocalAnesthesia, SpinalLidocaineAnesthesia, ConductionBupivacaineAnesthesia, LocalMepivacaineAnesthetics, CombinedAnesthesia, CaudalAnesthesia, InhalationProcaineAnesthesia, IntravenousCesarean SectionAnalgesia, EpiduralAutonomic Nerve BlockAdjuvants, AnesthesiaShiveringEtilefrinePain, PostoperativeAnesthesia Recovery PeriodSkin TemperatureFentanylMonitoring, IntraoperativeNerve BlockAnesthesia, DentalEphedrineEpidural SpaceAnesthetics, InhalationHorner SyndromeMethyl EthersEpinephrineThoraxIsofluraneLumbosacral RegionAmidesThoracic VertebraeAnesthetics, IntravenousPuerperal DisordersDihydroergotamineRitodrinePropofolHemodynamicsPregnancyInjections, EpiduralLabor Stage, FirstBody Temperature RegulationLabor, ObstetricMeperidineAnesthesiologyHypothermiaAnalgesia, ObstetricalPain MeasurementBlood PressureAnestheticsNitrous OxideSurgical Procedures, OperativeAnalgesiaHeart RatePostoperative ComplicationsPiroxicamSensationIntraoperative PeriodProspective StudiesDiagnostic Techniques, NeurologicalDouble-Blind MethodHypotensionHalothaneLumbosacral PlexusBlood CirculationAnalgesics, OpioidSympathetic Fibers, PostganglionicAnesthesia, Closed-CircuitTime FactorsAnalgesia, Patient-ControlledHysterectomyPostoperative PeriodAnesthetics, GeneralMesenteric VeinsBack PainApgar ScorePreanesthetic Medication