Table 2.
Baseline characteristics and ovarian stimulation data in live birth and non-live birth women in 1060 fresh-embryo transfer.
| Live birth(n=545) | Non-live birth (n=515) | P value | |
|---|---|---|---|
| Age | 29.21±3.32 | 29.74±3.79 | 0.055 |
| Duration of infertility (year) | 3.86±2.44 | 4.27±2.67 | 0.009 |
| Body mass index (BMI) (kg/m2) | 23.09±9.58 | 23.42±3.69 | 0.453 |
| Day 3 FSH (IU/L) | 6.81±1.62 | 6.65±1.56 | 0.106 |
| Day 3 oestradiol (pg/ml) | 31.24±8.24 | 31.30±8.84 | 0.897 |
| Antral follicle count | 26.17±8.59 | 26.24±8.75 | 0.882 |
| Pre-ovulatory follicle count | 5.74±2.67 | 5.62±2.68 | 0.475 |
| Follicular output rate | 23.93±13.20 | 23.29±12.67 | 0.423 |
| Stimulation days | 12.25±3.39 | 12.07±3.29 | 0.382 |
| Total follicle-stimulating hormone amount (IU) | 1707.33±857.11 | 1692.79±862.29 | 0.784 |
| Serum oestradiol on human chorionic gonadotrop day (pg/ml) | 2833.60±1385.01 | 2797.06±1457.98 | 0.550 |
| Retrieved oocyte | 12.89±5.22 | 12.28±5.51 | 0.064 |
| MII oocyte | 11.59±4.87 | 10.82±5.15 | 0.012 |
| Fertilized oocyte | 8.43±3.96 | 7.66±4.19 | 0.002 |
| Fertilization rate (%) | 73.42±17.83 | 71.58±19.89 | 0.113 |
| Total number of embryo | 7.64±3.94 | 6.92±4.16 | 0.004 |
| Number of high quality embryo | 4.28±2.95 | 3.40±2.67 | 0.000 |
| Number of transferred embryo | 2.02±0.21 | 1.99±0.27 | 0.057 |