This document discusses bladder exstrophy, a birth defect where the bladder is exposed through an abdominal wall defect. It notes there are three types - epispadias, bladder exstrophy, and cloacal exstrophy - and lists signs and differences between males and females. It describes pelvic osteotomy surgery to close the abdominal wall and partially tighten the bladder neck, as well as nursing management focusing on limiting trauma, infection monitoring, immobilization, and wound care.