Table 2 Details of stimulation cycles and hormonal ratios on HCG day
|  | Pregnant (n = 97) | Non-pregnant (n = 103) | P value |
|---|---|---|---|
Gonadotropin dose | 2765 ± 37 | 2870 ± 28 | NS |
Duration of gonadotropin stimulation | 10.5 ± 0.5 | 11.1 ± 0.4 | NS |
End. Thickness (mm) on HCG day | 10.2 ± 0.04 | 9.8 ± 0.03 | NS |
No. of follicles ≥17 mm on HCG day | 13.2 ± 0.2 | 12.9 ± 0.2 | NS |
Serum P on HCG day (ng/ml) | 0.8 ± 0.03 | 1.7 ± 0.02 | NS |
Serum Estradiol on HCG day (pglml) | 3754.6 ± 73.3 | 4146.7 ± 64.9 | NS |
P / E2 ratio | 0.21 ± 0.03 | 0.33 ± 0.04 | NS |
No. of retrieved oocytes | 16.6 ± 0.09 | 14.1 ± 0.07 | NS |
N0. of MII oocytes | 10.9 ± 1.1 | 9.7 ± 1 | NS |
P / MII oocytes ration | 0.2 ± 0.02 | 0.36 ± 0.07 | 0.001* |
No of embryos available for transfer | 6.2 ± 0.5 | 6.1 ± 0.2 | NS |
No. of surplus embryos cryopreserved | 3.1 ± 0.2 | 2.9 ± 0.8 | NS |
No. of embryos transferred | 3.1 ± 0.04 | 2.9 ± 0.05 | NS |
No. of grade A embryos transferred | 2.8 ± 0.06 | 2.8 ± 0.05 | NS |