The efficacy of Ginger in reducing post operative nausea and vomiting in infertilized women after gynecologic laparoscopic surgery

INTERVENTION: Group A: two capsules of placebo Group B: two capsules of Ginger (each capsule contained 250 milligram of powdered Ginger). Intervention 1: Group A: two capsules of placebo. Intervention 2: Group B: two capsules of Ginger (each capsule contained 250 milligram of powdered Ginger). Placebo Treatment ‐ Drugs CONDITION: Nausea and vomiting post operative nausea and vomiting. ; Nausea and vomiting PRIMARY OUTCOME: Post operative vomiting. Timepoint: 0‐2‐6‐24 hours after surgery. Method of measurement: frequency of vomiting. SECONDARY OUTCOME: Post operative nausea. Timepoint: 0‐2‐6‐24 hours after surgery. Method of measurement: The intensity of nausea is measured with verbal 11‐point numeric rating scale (NRS), with which the patient is asked to rate severity of nausea between 0 and 10, with 0 corresponding to no symptoms and 10 corresponding to worst possible symptoms. INCLUSION CRITERIA: Inclusion: patients aged between 20 to 50 years who are satisfied in participating in the study and referred to Tehran Taleghani Hospital for gynecologic laparoscopic surgery. Exclusion: patients with ASA grade 3 and above; diabetic patients; smokers; patients with a history of gastriintestinal tract problems; consumers of calcium channel blocker drugs or anticoagulant drugs such as aspirin, warfarin, and ... ; Alcoholics.