After major open abdominal surgery, transient paralytic ileus usually follows. It has been suggested that stimulation of pain fibers, excessive sympathetic tone, and the release of inhibitory neurotransmitters from bowel wall associated with bowel manipulation and peritoneal irritation are responsible mechanisms. There have been concerns that early postoperative oral feeding would lead to vomiting with subsequent aspiration pneumonia, anastomotic leakage, and wound dehiscence.

Inclusion Criteria:

1. Women is sure of her last menstrual period or documented early pregnancy ultrasound.
2. Women aged 20-35 years.
3. Women with Body mass index18-22 kg/m2.
4. Estimated gestational age is ranging between 37-40 weeks gestation.
5. Accepting to participate in the study.

Exclusion Criteria:

1. Smoker ≥ 11 cigarettes/day.
2. Caesarean hysterectomy .
3. Surgical management of severe postpartum haemorrhage .
4. History of bowel obstruction , inflammatory bowel disease .
5. Previous abdominal or pelvic radiation