| Fistulas Occurrence Circumstances | Number | Percentage (%) |
| Caesarean | 50 | 52.6 |
| Lower Route Delivery | 37 | 38.9 |
| UR Hysterectomy | 4 | 4.2 |
| Ovarian Cystectomy | 2 | 2.1 |
| UF Hysterectomy | 1 | 1.1 |
| Ballistic Injury | 1 | 1.1 |
| Total | 95 | 100 |