Table 4 Cleavage rate and development of oocytes fertilized by In Vitro fertilization and ICSI with non-treated, scrotal heat stressed and γ-radiated spermatozoa
Technique | Sperm treatment | Total oocytes (experiments) | 2-cell embryos (%) | Blastocyst (%) | |
|---|---|---|---|---|---|
IVF | Control | 107 (5) | 99 (93)a | 95 (96)a | |
Scrotal Heat Stress | 223 (8) | 29 (13)b | 26 (90)a | ||
γ-Radiation | 85 (5) | 56 (66)c | 36 (63)b | ||
Sperm treatment | Injected Oocytes (experiments) | Surviving Oocytes (%) | 2-cell embryos (%) | Blastocyst (%) | |
ICSI | Control | 72 (3) | 53 (74) | 46 (87)a | 31 (67)a |
Scrotal Heat Stress | 232 (6) | 158 (68) | 74 (47)b | 4 (6)b | |
γ-Radiation | 131 (4) | 94 (72) | 65 (69)c | 28 (43)c |