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Semen parameters analyzed prior to cryopreservation (mean ± SD).
| Number of samples | 18 |
| Volume (ml) | 3.1±1.2 |
| Sperm concentration (106/ml) | 95.7±39.9 |
| Progressive motility (%) | 50.6±10.3 |
| Non-progressive motility (%) | 7.1±4.3 |
| Immotile (%) | 41.7±13.5 |
| Post-gradient concentration (106/ml) | 85.3±48.9 |
| Post-gradient progressive motility (%) | 96.7±7.7 |
| TUNEL value (%) | 9.1±3.7 |
