Gum chewing can promotes the return bowel function after gynecologic surgery.

Following abdominal surgery for treatment of benign gynecologic surgery, paralytic ileus may be develops. Gum chewing can promotes the return of bowel function through the cephalic-vagal reflex and increased intestinal enzymes secretion. This study will be evaluate effects of adding gum chewing to the conventional postoperative feeding protocol on the return of bowel function, its related complication, and patients's satisfaction.

Inclusion Criteria:

• Patients undergoing abdominal surgery for benign gynecologic conditions at Maharaj Nakorn Chiang Mai hospital

Exclusion Criteria:

• Perioperative hyperalimentation
• Recent chemotherapy (within 3 weeks before surgery)
• Previous bowel surgery
• Inflammatory bowel disease
• Previous abdominal or pelvic radiation
• Need for immediate postoperative endotracheal intubation
• Need for postoperative admission to intensive care unit
• Undergoing emergency surgery with oral intake of fluid or food with in 4 hours before surgery