Table 1 Characteristics of the patients
| Variables |
uFSH (n = 764) |
rFSH-alfa (n = 314) | P |
|---|---|---|---|
| Age (years) | 29.4 ± 3.8 | 29.1 ± 3.6 | 0.310 |
| BMI (kg/m2) | 22.4 ± 3.2 | 22.1 ± 3.6 | 0.206 |
| Duration of infertility (years) | 3.0 (2.0–5.0) | 3.0 (2.0–4.0) | 0.331 |
| Basic AMH (ng/ml) | 3.14 (1.95–5.11) | 3.63 (2.57–5.41) | 0.147 |
| AFC | 12.3 ± 4.1 | 13.4 ± 4.4 | < 0.001 |
| Basic FSH (IU/L) | 6.21 ± 1.72 | 6.38 ± 1.89 | 0.144 |
| Infertility type | 0.837 | ||
| Primary | 465 (60.9%) | 189 (60.2%) | |
| Secondary | 299 (39.1%) | 125 (39.8%) | |
| Primary cause of infertility | 0.174 | ||
| Tubal | 456 (76.0%) | 182 (82.4%) | |
| Endometriosis | 43 (7.2%) | 16 (7.2%) | |
| PCOS | 77 (12.8%) | 15 (6.8%) | |
| Male | 7 (1.2%) | 3 (1.4%) | |
| Other causes | 17 (2.8%) | 5 (2.3%) | |
| Previous number of IVF/ICSI cycles | 0.059 | ||
| 0 | 659 (86.3%) | 284 (90.5%) | |
| 1 | 105 (13.7%) | 30 (9.6%) |