Table 2.
Comparison of treatment outcomes per ovum pickup (OPU) between the groups ideal OPU‐day (day 0 or +1) vs. delayed OPU‐day (days +2, +3 or +4)
| Ideal day (n = 760) | Delayed day (n = 216) | p‐Value (OR, 95% CI) | |
|---|---|---|---|
| Retrieved oocytes | 9.87 ± 5.57 | 9.78 ± 5.19 | 0.99 |
| Fertilization rate | 58.03% | 57.89% | 0.90 |
| Embryos obtained | 5.74 ± 4.20 | 5.75 ± 4.05 | 0.87 |
| Embryos frozen | 1.39 ± 2.04 | 1.59 ± 2.20 | 0.29 |
| Pregnancy rate | 35.1% (n = 267) | 33.3% (n = 72) | 0.62 (0.92; 0.67–1.27) |
| Clinical pregnancy rate | 28.4% (n = 216) | 29.6% (n = 64) | 0.73 (1.06; 0.76–1.48) |
| Live‐birth rate | 26.2% (n = 199) | 25.9% (n = 56) | 0.93 (0.99; 0.70–1.39) |
| Miscarriage rate | 25.5% (n = 68) | 22.2% (n = 16) | 0.48 (0.81; 0.46–1.44) |
| Cycles resulting in embryo transfer (SET) | 91.5% (n = 688) | 89.9% (n = 192) | 0.48 (1.19; 0.73–1.95) |
Data are presented as mean ± SD.