Table 2 Clinical characteristics and outcomes of the two groups
Mild group | COS group | P value | |
|---|---|---|---|
Age (years) | 39.19 ± 3.25 | 38.05 ± 3.72 | 0.264 |
AMH (ng/ml) | 0.61 ± 0.30 | 0.77 ± 0.22 | 0.053 |
BMI (kg/m2) | 23.08 ± 2.66 | 21.70 ± 1.92 | 0.051 |
Basal FSH (U/L) | 8.68 ± 2.90 | 9.67 ± 5.27 | 0.415 |
Basal E2 (pg/ml) | 54.23 ± 21.28 | 48.38 ± 18.75 | 0.326 |
Basal LH (U/L) | 4.18 ± 1.42 | 4.32 ± 2.06 | 0.783 |
Duration of stimulation (days) | 5.93 ± 1.64 | 10.67 ± 1.49 | < 0.001a |
Total gonadotropin/cycle (IU) | 867.59 ± 241.37 | 3152.38 ± 408.19 | < 0.001a |
Serum E2 level on trigger day (pg/ml) | 522.33 ± 325.11 | 1205.13 ± 504.42 | < 0.001a |
Serum LH level on trigger day (U/L) | 5.94 ± 5.43 | 2.91 ± 1.52 | 0.017a |
Serum P level on trigger day (ng/ml) | 0.47 ± 0.35 | 0.79 ± 0.41 | 0.006a |
No. of oocytes retrieved | 3.48 ± 1.40 | 5.29 ± 3.50 | 0.018a |
No. of oocytes in metaphase II | 2.70 ± 1.43 | 3.29 ± 2.70 | 0.342 |
Rate of oocytes in metaphase II (%) | 77.66 | 62.16 | 0.017 a |
No. of 2PN oocytes | 2.22 ± 1.28 | 3.14 ± 2.59 | 0.114 |
No. of transferrable embryos | 2.00 ± 1.24 | 2.48 ± 2.02 | 0.319 |
No. of good-quality embryos | 1.83 ± 1.24 | 1.76 ± 1.68 | 0.881 |
Rate of good-quality embryos (%) | 75.86 | 57.69 | 0.043 a |