Gynaecology & Obstetrics Which one of the following is the most common extrauterine site to be affected by endometriosis: A Vagina B Rectovaginal septum C Sigmoid colon D Broad ligament (except tubes and ovaries) 💡 Explanation Which one of the following is the most common extrauterine site to be affected by endometriosis: ✓ Correct Answer: D. Broad ligament (except tubes and ovaries)