Prune belly syndrome in an Prune belly syndrome pdf child with Down syndrome. Prune belly syndrome is a rare, genetic birth defect affecting about 1 in 40,000 births. Prune belly syndrome is a congenital disorder of the urinary system, characterized by a triad of symptoms.
A partial or complete lack of abdominal wall muscles. There may be wrinkly folds of skin covering the abdomen. Frequent urinary tract infections due to the inability to properly expel urine. Later in life, a common symptom is post-ejaculatory discomfort.