Anti-Inflammatory Agents, Non-SteroidalAspirinAnalgesiaAnalgesia, EpiduralAnalgesia, ObstetricalAnalgesia, Patient-ControlledAnalgesics, OpioidPain, PostoperativeMorphinePain MeasurementSteroidsBupivacaineAnesthetics, LocalSpirostansAcupuncture AnalgesiaFentanylAnalgesicsPlatelet Aggregation InhibitorsSaponinsAnesthesia, EpiduralGlycosidesMeperidinePainLabor PainSufentanilDiosgeninDouble-Blind MethodNerve BlockTomatineLiliaceaeInjections, SpinalSolanaceous AlkaloidsLabor, ObstetricAnesthesia, ObstetricalChlormadinone AcetateDose-Response Relationship, DrugPregnanesAmidesAnalgesics, Non-NarcoticAnesthesia, SpinalTramadolCynanchumAndrostanesEstrogen AntagonistsRhizomeTiclopidineCyclooxygenase InhibitorsThromboxane B2DracaenaSmilaxBuxaceaeNaloxoneSolanumCesarean SectionDioscoreaPostoperative Nausea and VomitingPain ThresholdAlliumProspective StudiesInterpleural AnalgesiaAromatase InhibitorsPregnancyDrug Therapy, CombinationPlatelet AggregationWithanolidesDrug ToleranceMolecular StructureKetorolacTestolactoneSalicylatesHolarrhenaReceptors, Opioid, muTime FactorsEstradiolAnemarrhenaAcetaminophenHydroxysteroidsTreatment OutcomeAnesthesia, GeneralConscious SedationLabor Stage, FirstHydromorphonePlatelet Function TestsLidocaineDiclofenacPain ManagementAnesthesia, CaudalClonidineAsparagus PlantAnesthesia and AnalgesiaKetamineDrug InteractionsFemoral NerveSpectrometry, Mass, Fast Atom BombardmentSolanum nigrumAlveolectomyReceptors, OpioidDrug Administration SchedulePirinitramideHypnotics and Sedatives