Preoperative Dextrose Infusion and Postoperative Nausea and Vomiting

Inclusion Criteria: * Adult female patients scheduled for elective laparoscopic gynecological/hysteroscopic procedures will be considered for inclusion * ASA physical status I and ll. Exclusion Criteria: * patients with a previous history of PONV. * Patients with motion sickness, coagulopathy, diabetes mellitus, or severe hypertension * patients with cardiac, renal or hepatic dysfunction. * patients receiving an antiemetic agent within 24 h before surgery or cases where complications occurs during the surgery * patients who have abnormal blood glucose on the night before surgery * patients who are unable to understand and use the verbal rating scale (VRS);Growth developmental, and motor-mental retardation.