| Normal | Overweight | Obese | P | |
| Patients | 190 | 52 | 24 | |
| BMI | 21.8±1.6 | 27.1±1.5 | 32.8±2.8 | <0.0001 |
| Patients age | 34.5±2.3 | 34.4±2.4 | 34.3±2.2 | 0.88 |
| Baseline FSH | 6.9±2.1 | 6.7±1.7 | 6.8±2.1 | 0.66 |
| Baseline LH | 5.3±2.3 | 5.3±1.7 | 4.5±1.6 | 0.34 |
| Antral follicles number | 11.6±5.4 | 12.5±5.5 | 12.2±5.7 | 0.50 |
| Kruskal-Wallis test, statistically significant if P<0.05. | ||||