Table 2 COS treatment and embryo culture
Variables | uFSH (n = 764) | rFSH-alfa (n = 314) | P |
|---|---|---|---|
Gn total dose (IU) | 2334.5 ± 687.3 | 1912.3 ± 625.1 | < 0.001 |
Oocytes retrieved | 10.0 (6.8–14.0) | 13.0 (8.0–17.0) | < 0.001 |
2PN oocytes | 5.0 (3.0–8.0) | 7.0 (4.0–11.0) | < 0.001 |
Transferrable embryos | 4.0 (2.0–6.0) | 5.0 (3.0–8.0) | < 0.001 |
High-quality embryos | 3.0 (1.0–5.0) | 4.0 (1.0–6.0) | < 0.001 |
OHSS | 36 (4.7%) | 22 (7.0%) | 0.129 |
IVF/ICSI | Â | Â | 0.014 |
 ICSI | 118 (15.4%) | 68 (21.7%) |  |
 IVF | 646 (84.6%) | 246 (78.3%) |  |
Number of embryo transfer cycles |  |  | < 0.001 |
 0 | 141 (18.5%) | 32 (10.2%) |  |
 1 | 408 (53.4%) | 154 (49.0%) |  |
 2 | 152 (19.9%) | 90 (28.7%) |  |
 3 | 57 (7.5%) | 25 (8.0%) |  |
 4 | 6 (0.8%) | 10 (3.2%) |  |
 5 | 0 (0.0%) | 3 (1.0%) |  |