Risk factors | Number | Percentage |
Abdominal constipation | 3 | 6.52 |
Pressure chronic cough | 1 | 2.17 |
Persistence of the peritoneo-vaginal canal | 24 | 52.17 |
Persistence of the umbilical ring | 19 | 41.30 |
Persistence of the Nuck canal | 2 | 4.35 |
Prematurity | 1 | 2.17 |
Profession of strength | 1 | 2.17 |
No risk factors | 1 | 2.17 |