| Viable GV Oocytes | Viable MI Oocytes | ||
---|---|---|---|---|
 | Slow-freezing | Vitrification | Slow-freezing | Vitrification |
No. of oocytes matured in vitro (%) | 31 (21.2) total | 102 (54.0)* total | ||
 | 10 (16.7) | 21 (24.4) | 30 (50.8) | 72 (55.4) |
No. of fertilized (%) | 4 (12.9) total | 60 (58.8)* total | ||
 | 0 (0.0) | 4 (19.0) | 12 (36.0) | 44 (61.1) |
No. of cleaved (%) | 0 (0.0) total | 24 (40.0) total | ||
 | 0 (0.0) | 0 (0.0) | 2 (16.7) | 22 (50.0)** |
No. of blastocysts formed (%) | 0 (0.0) total | 5 (20.8) total | ||
 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 5 (22.7) |