Table 1.
Baseline characteristics of population
| Fixed group (n = 100) |
Flexible group (n = 101) |
p | |
|---|---|---|---|
| Mean age (year) | 28.9 ± 2.9 | 28.7 ± 3.3 | 0.601 |
| Duration of infertility (year) | 4.8 ± 2.7 | 4.7 ± 4.2 | 0.826 |
| Body mass index (kg/m^2) | 21.1 ± 1.7 | 21.3 ± 1.9 | 0.316 |
| Type of infertility | |||
| Secondary (%) | 57 (57.0) | 48 (47.5) | 0.205 |
| Primary (%) | 43 (43.0) | 53 (52.5) | |
| Cause of infertility (%) | |||
| Tubal factor | 66 (66.0) | 70 (69.3) | 0.653 |
| Ovulation dysfunction | 1 (1.0) | 0 | |
| Endometriosis | 0 | 6 (5.9) | |
| Male factor | 10 (10.0) | 11 (10.9) | |
| Unexplained | 11 (11.0) | 3 (3.0) | |
| Multi-factor | 12 (12.0) | 11 (10.9) | |
| AFC | 10.3 ± 2.8 | 9.9 ± 2.7 | 0.260 |
| AMH (ng/ml) | 6.4 ± 2.6 | 5.8 ± 2.1 | 0.066 |
| Baseline sex hormone | |||
| FSH (IU/L) | 5.1 ± 1.1 | 4.9 ± 1.3 | 0.144 |
| LH (IU/L) | 3.5 ± 1.3 | 3.3 ± 1.2 | 0.266 |
| E2 (pg/ml) | 29.5 ± 10.8 | 27.5 ± 9.8 | 0.189 |
| P (ng/ml) | 0.4 ± 0.1 | 0.3 ± 0.1 | 0.600 |