Table 5.
Microscopic sperm parameters after cryopreservation
| Preparation by swim-up prior cryopreservation | Cryopreservation prior swim-up preparation | P value | |
|---|---|---|---|
| Number of samples | 41 (normozoospermic and male factor) | ||
| Semen concentration ± SD | 16.75 ± 10.92 | 10.92 ± 11.71 | 0.052 |
| PM ± SD | 7.64 ± 7.55 | 37.38 ± 29.73 | < 0.001 |
| TM ± SD | 13.97 ± 11.75 | 38.71 ± 29.73 | < 0.001 |
| PMSC ± SD | 1.61 ± 2.60 | 5.41 ± 7.50 | < 0.001 |
| TMSC ± SD | 2.55 ± 3.17 | 5.62 ± 7.65 | 0.004 |
| Morphology | 3.06 ± 3.69 | 3.23 ± 3.42 | 0.079a |
| Viability ± SD | 14.93 ± 11.40 | 38.9 ± 28.84 | < 0.001 |
PM %progressive motility, TM %total motility, PMSC progressive motile sperm count (×106 spermatozoa/ml), TMSC total motile sperm count (×106 spermatozoa/ml), SD standard deviation
aMorphology P value refers to the comparison of normal morphology in fresh ejaculate and after sperm preparation prior to cryopreservation protocol