When the uterosacral ligament weakens and forms a herniation, this condition is known as:

• A. Enterocele
• B. Rectocele
• C. Cystocele
• D. Uterine prolapse

Answer: (A)

The correct answer is enterocele, which occurs when there is a weakening of the uterosacral ligament resulting in a herniation of the small intestine into the pelvic cavity. This condition is specifically associated with the protrusion of the peritoneum and bowel due to the structural support failing in the pelvic floor, particularly where the small intestine descends into the vaginal canal.

In contrast, rectocele is characterized by the herniation of the rectum into the posterior wall of the vagina, usually from a defect in the pelvic support structures. Cystocele involves the bladder protruding into the anterior wall of the vagina due to weakened pelvic support. Uterine prolapse refers to the descent of the uterus into or out of the vagina caused by weakened pelvic support, not directly related to the herniation of the intestine or ligaments.

Understanding the specific definitions and causes of these conditions helps clarify why enterocele is the appropriate answer in this scenario, as it distinctly pertains to the herniation associated with the weakness of the uterosacral ligament.