Table 2. Effect of treatments on the number of pre-ovulatory follicles and endometrial thickening.
Clomiphene
(n=15)
Clomiphene +
HCG (n=13)
Letrozole
(n=12)
Letrozole + HCG
(n=11)
p-value
Number of pre-ovulatory follicles 2.07±1.22 2.23±1.01 1.50±0.52 1.72±0.90 0.243
Endometrial thickening 9.25±2.98 9.93±3.57 8.08±1.71 9.68±2.55 0.394

Data are presented as the mean and standard deviation; one-way ANOVA test.
HCG, human chorionic gonadotropin.