Postoperative Nausea and VomitingNauseaHyperemesis GravidarumAntiemeticsVomitingVomiting, AnticipatoryDroperidolOndansetronMetoclopramideAnesthesia, GeneralGynecologic Surgical ProceduresAcupressurePain, PostoperativeAmbulatory Surgical ProceduresDouble-Blind MethodNitrous OxideGranisetronAnalgesics, OpioidTreatment OutcomeAcupuncture PointsPreanesthetic MedicationSerotonin 5-HT3 Receptor AntagonistsPostoperative ComplicationsAnalgesia, Patient-ControlledPropofolAnesthetics, IntravenousAnesthesia, ConductionProspective StudiesAnesthesia Department, HospitalFentanylAnesthesia Recovery PeriodAcupunctureObstetric Surgical ProceduresAnesthesia, IntravenousMyringoplastyMorphineAnesthesia, InhalationDexamethasoneSerotonin AntagonistsAlfentanilStrabismusIntraoperative PeriodInjections, IntravenousAnesthesia, ObstetricalPruritusQuinolizinesIntraoperative CareOutcome Assessment (Health Care)SufentanilNeostigmineAnesthetics, InhalationRandomized Controlled Trials as TopicLaparoscopyCholecystectomy, LaparoscopicMotion SicknessDrug Administration ScheduleAnesthetics, CombinedMorning SicknessPiperidinesDrug Therapy, CombinationPain MeasurementOxygen Inhalation TherapySingle-Blind MethodProchlorperazineAnesthesiaRisk FactorsAnesthesia, SpinalInfusions, IntravenousPregnancy OutcomeTime FactorsAnestheticsPatient SatisfactionDose-Response Relationship, DrugHysterectomyMethyl EthersAnalgesia, EpiduralPostoperative PeriodIsofluraneIncidenceRetrospective StudiesAnesthetics, LocalAnalgesicsFollow-Up StudiesLogistic Models