Immediately after delivery, the exposed organs are covered with warm, moist, sterile dressings. A tube is inserted into the stomach (nasogastric tube, also called NG tube) to keep the stomach empty to prevent choking on or breathing in (aspiration) stomach contents into the lungs. The surgery is done as soon as the infant is stable.
While the baby is deep asleep and pain-free (under general anesthesia) an incision is made to remove the sac membrane. The bowel is examined closely for signs of damage or additional birth defects. Damaged or defective portions are removed and the healthy edges stitched together. A tube is inserted into the stomach (gastrostomy tube) and out through the skin. The organs are replaced into the abdominal cavity and the incision closed, if possible.