Table 1 Characteristics of the IVF cycles for patients co-treated with letrozole compared to the control group
Control group | Letrozole | P | |
|---|---|---|---|
N | 87 | 87 | |
Age (years) | 37.0 ± 3.8 | 36.5 ± 4.1 | NS |
Length of stimulation (days) | 11.1 ± 2.1 | 10.2 ± 1.7 | <0.01 |
Total dose of gonadotropins (IU) | 3012 ± 1115 | 3316 ± 1037 | NS |
Follicles >15 mm at the trigger day | 7.9 ± 5.3 | 10 ± 5.8 | 0.02 |
E2(pmol/L) | 6760 ± 4792 | 2420 ± 1923 | <0.01 |