| Non-antioxidant group (n = 164) | Antioxidant group (n = 135) | P |
Estradiol level at hCG day (pg/ml) | 1500 (184 - 5400) | 1400 (434 - 6000) | 0.407 |
Total amount of gonadotropins dose (IU/ml) | 3600 (1400 - 9000) | 2550 (1000 - 6300) | <0.001 |
Number of oocytes collected | 10 (0 - 33) | 11 (2 - 29) | 0.960 |
Metaphase II oocytes | 8 (0 - 29) | 7 (1 - 20) | 0.855 |
Number of oocytes fertilized | 5 (0 - 21) | 5 (0 - 18) | 0.362 |