hCG-primed group | Non-primed group | p | |
---|---|---|---|
No. of oocyte retrieval cycles | 40 | 42 | |
No. of oocytes retrieved | |||
Total (range) | 552 (1–50) | 603(1–47) | |
Mean | 13.80 | 14.35 | ns |
No. of oocytes matured at 32 h | |||
Total (range) | 306 (1–21) | 255 (0–18) | |
Mean | 7.65 | 6.07 | |
Maturation rate (%) | 55.43 | 42.29 | 0.000 |
No. of oocytes fertilized (%) | 194 (63.40) | 167 (65.49) | ns |
No. of oocytes cleaved (%) | 192 (98.97) | 166 (99.10) | ns |
Cycles with embryo transfer (%) | 34 (85.0) | 40 (95.24) | ns |
No. of embryos transferred (mean) | 70 (2.06) | 86 (2.15) | ns |
No. of clinical pregnancies | 15 | 21 | |
Clinical pregnancy rate per ORa(%) | 37.50 | 50.00 | ns |
Clinical pregnancy rate per ETb(%) | 44.12 | 52.50 | ns |
No. of embryos implantation (%) | 23 (32.86) | 28 (32.56) | ns |
No. of live birth (% per OR) | 9 (22.50) | 13 (30.95) | ns |
Singleton | 5 | 11 | |
Twins | 4 | 2 | |
No. of infants | 13 | 15 | |
No. of miscarriage (%) c | 6 (40.00) | 8 (38.10) | ns |
Early miscarriage (<12 weeks) | 3 | 5 | |
Late miscarriage (12–28 weeks)d | 3 | 3 | |
No. of cycles with embryo freezing | 19 (47.50) | 13 (30.95) | ns |