Table 2 Clinical and cycle characteristics of ovarian stimulation in the groups
Characteristics | Group A (n = 304) (HMG300IU + MPA) | Group B (n = 274) (HMG300IU + MPA + CC) | P |
|---|---|---|---|
Baseline hormones | |||
E2 (pg /ml) | 54.47 ± 47.82 | 50.73 ± 43.12 | 0.291 |
FSH (mIU/l) | 12.92 ± 9.37 | 12.98 ± 10.09 | 0.579 |
LH (mIU/ml) | 5.95 ± 7.20 | 6.09 ± 6.82 | 0.672 |
Hormones level on the day of HCG | |||
E2 (pg/ml) | 1376.51 ± 926.02 | 1093.07 ± 786.72 | < 0.001 |
LH (mIU/ml) | 2.92 ± 2.41 | 6.66 ± 4.34 | < 0.001 |
P (ng/ml) | 0.56 ± 0.63 | 0.93 ± 2.93 | 0.002 |
Total HMG doses (IU) | 3399.18 ± 820.75 | 2998.63 ± 1051.09 | < 0.001 |
HMG duration (days) | 11.27 ± 2.56 | 10.21 ± 3.56 | < 0.001 |
> 14 mm follicles on the day of HCG (n) | 3.64 ± 2.06 | 2.75 ± 1.97 | < 0.001 |
Retrieved oocytes (n) | 3.02 ± 2.08 | 2.30 ± 2.22 | < 0.001 |
Mature oocytes (n) | 2.61 ± 1.93 | 1.98 ± 2.07 | < 0.001 |
Fertilized oocytes (n) | 1.90 ± 1.58 | 1.47 ± 1.68 | < 0.001 |
Viable embryos (n) | 1.48 ± 1.33 | 1.22 ± 1.40 | 0.019 |
High-quality embryos (n) | 0.69 ± 1.00 | 0.52 ± 0.78 | 0.091 |
Oocyte retrieval rate n (%) | 917/1107 (82.84) | 631/756 (83.47) | 0.722 |
Mature oocytes rate n (%) | 793/917 (86.48) | 542/631 (85.90) | 0.744 |
Fertilization rate n (%) | 578/793 (72.89) | 404/542 (74.54) | 0.502 |
Viable embryos rate n (%) | 451/578 (78.03) | 333/404 (82.43) | 0.091 |