A complete rectal prolapse occurs when the rectum protrudes through the anus.

Rectal prolapse is when a part of your rectum, which is usually an internal structure, pokes out through your anus. There are differing degrees depending on how far it comes out and how difficult it is to get it back in place.

Rectal prolapse is when the entire wall of the rectum or the rectal mucosa protrudes (bursts). It usually only protrudes by a few centimeters. It is uncommon however mostly occurs in young children and the elderly.

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The overall incidence of rectal prolapse in the United States is approximately 4.2 per 1,000 people.10 per 1,000 among patients older than 65. Most patients with rectal prolapse are women; the ratio of male-to-female patients is one in six.