Table 1.
Distribution of the studied women by body mass index in relation to their characteristics.
| Characteristics | Body mass index (kg/m2) | P value | ||
|---|---|---|---|---|
| <25 (n = 51) |
25–<30 (n = 184) |
≥30 (n = 114) |
||
| Age (years) | 27.3 ± 4.5 | 29.8 ± 5.4 | 32.8 ± 5.7 | 0.001∗ |
| Infertility duration (years) | 5.4 ± 3.9 | 7.5 ± 4.7 | 8.5 ± 5.3 | 0.001∗ |
| Cycle length (days) | 27.6 ± 3.4 | 28.9 ± 8.1 | 31.5 ± 13.2 | 0.03∗ |
| FSH (MIU/mL) | 6.5 ± 2.5 | 6.2 ± 2.9 | 6.4 ± 2.6 | 0.78 |
| LH† | 6.7 ± 3.4 | 5.3 ± 2.7 | 5.1 ± 2.4 | 0.004∗ |
| PRL∗∗ | 18.1 ± 16.6 | 15.5 ± 10.1 | 15.4 ± 10.9 | 0.45 |
| E2 (pg/mL) | 76.7 ± 59.9 | 74.2 ± 55.8 | 70.1 ± 51.6 | 0.82 |
| Endometrial thickness | 10.5 ± 2.2 | 10.5 ± 2.2 | 10.7 ± 2.1 | 0.68 |
| HCG days | 13.2 ± 2.4 | 13.7 ± 2.6 | 13.2 ± 2.2 | 0.10 |
| Number of embryo transfer | 2.8 ± 1.0 | 2.8 ± 0.9 | 2.8 ± 0.9 | 0.99 |
| Infertility type | ||||
| Primary | 46 (15%) | 158 (53%) | 94 (32%) | 0.41 |
| Secondary | 5 (10%) | 26 (50%) | 20 (40%) | |
*Significant.
†Luteinizing hormone.
∗∗Prolactin hormone.