Table 3 Comparison of the normal fertilization rate and embryo developmental competence after ICSI using fresh and frozen-thawed completely immotile spermatozoa
From: A new insight into male fertility preservation for patients with completely immotile spermatozoa
| Â | testicular samples | P | ejaculated samples | P | ||
|---|---|---|---|---|---|---|
Fresh immotile sperm | Frozen-thawed immotile sperm | Fresh immotile sperm | Frozen-thawed immotile sperm | |||
No .of MII oocytes | 118 | 55 | Â | 27 | 20 | Â |
Fertilization rate | 80.51% (95/118) | 80.00% (44/55) | >0.05 | 81.48% (22/27) | 75.00% (15/20) | >0.05 |
Oocyte degeneration rate | 0.00% (0/95) | 0.00% (0/55) | – | 0.00% (0/27) | 0.00% (0/20) | – |
Cleavage rate | 98.95% (94/95) | 95.45% (42/44) | >0.05 | 95.45% (21/22) | 100.00% (15/15) | >0.05 |
Good quality embryo rate | 52.13% (49/94) | 40.48% (17/42) | >0.05 | 38.10% (8/21) | 33.33% (5/15) | >0.05 |