| Etiology | Variables | N | % |
| Obstetrics | Caesarean section | 23 | 27.5 |
| Hysterectomy | 12 | 14.2 | |
| RU laparotomy | 11 | 13.1 | |
| Obstructed delivery | 32 | 38.1 | |
| Surgical | Urological | 5 | 5.9 |
| Traumatic | Fall on the pool | 1 | 1.2 |