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Patients characteristics
| Parameter (Unit) | FET group | Fresh ET group | P value |
|---|---|---|---|
| Number of patients | 187 | 187 | |
| Age (years)ª | 27.3 ± 4.4 | 28.1 ± 3.5 | 0.07 |
| BMI (Kg/m²)ª | 25.5 ± 3.4 | 26.0 ± 3 | 0.09 |
| Day 3 FSH (IU/mL)ª | 4.5 ± 1.2 | 4.7 ± 1.3 | 0.07 |
| Duration of infertility (years)ª | 4.8 ± 2.1 | 4.4 ± 2.7 | 0.07 |
| Cause of infertility | |||
| Male factor (%) | 36.9 | 34.2 | 0.66 |
| Ovulatory factor (%) | 17.1 | 20.8 | 0.42 |
| Tubal factor (%) | 18.7 | 19.3 | 1.00 |
| Endometriosis (%) | 9.6 | 10.7 | 0.86 |
| Unexplained (%) | 17.6 | 15 | 0.57 |
ªValues are mean ± SD
