RESUMEN
The trauma of the lower urinary tract in gynecologic and obstetrics surgery is rare. Discover the circumstances of their happening, their symptoms, and their methods of diagnostic and their treatment. Authors report 24 cases observed over a 12 years period. These lesions consisted on 20 bladder lesions and 4 ureteric lesions. The frequency of these urological complications was 0.21% among the 12000 surgical operations performed between 1992 and 2003. The most causal operation was caesarean and abdominal hysterectomy. Urinary trauma was more frequent in patients with history of abdominal surgery. Post operative course was uneventful in most cases. Trauma of the lower urinary tract in gynecologic and obstetrics surgery is rare but their ignorance may seriously affect the functional urinary prognostics