Meckel's diverticular perforation presenting as acute abdomen in the second trimester of pregnancy.

Meckel's diverticular perforation is a rare cause of acute abdomen during pregnancy. We report the case of a 24-year-old woman at 24 weeks of gestation who presented with abdominal pain for 4 days accompanied with abdominal distension, tenderness and guarding in right lower quadrant. Ultrasonography was inconclusive. The patient underwent exploratory laparotomy with the clinical suspicion of appendicular perforation peritonitis. Intraoperatively, a perforated Meckel's diverticulum was detected. Owing to gross contamination of the peritoneal cavity, a diverticulectomy with ileostomy was performed. She had a normal full-term vaginal delivery, and ileostomy was reversed 1 month after delivery. The physiological and anatomical changes in pregnancy can make a straightforward clinical diagnosis difficult. A high index of suspicion is required to prevent delay in diagnosis and surgical intervention, which could prove detrimental to the mother and fetus.