| History and risk factors | Number | Percentage (%) |
| Congenital factors | ||
| Cryptorchidism | 1 | 1.56 |
| Idiopathicriskfactors | ||
| Smoking | 21 | 29.58 |
| Alcohol | 16 | 22.54 |
| Smoking + Alcohol | 22 | 30.98 |
| Obesity | 9 | 12.68 |
| Acquiredfactors | ||
| Varicocele | 63 | 88.73 |
| Testicular trauma | 3 | 5.45 |
| Urogenital infections | ||
| Urethritis | 18 | 32.73 |
| Orchitis | 16 | 29.09 |
| Surgical history | ||
| Herniorrhaphy | 7 | 12.73 |
| Varicocèlectomie | 5 | 9.09 |
| Hydrocelectomy | 6 | 10.91 |