Letrozole group

(n = 25)

Gonadotropins

(n = 25)

t-test

P value

Age (years)

Range

Mean ± SD

20-35

25.15 ± 4.25

20-33

25.62 ± 3.33

0.481

0.632

Gravidity

Range

Mean ± SD

0-3

0.93 ± 0.21

0-2

0.89 ± 0.11

0.371

0.304

Parity

Range

Mean ± SD

0-3

0.873 ± 0.120

0-2

0.800 ± 0.210

0.654

0.521

BMI (kg/m2)

Range

Mean ± SD

19.06- 34.07

26.04 ± 4.33

19.68-35.04

27.01 ± 4.59

1.56

0.125

Duration of Infertility (years)

Range

Mean ± SD

2-5

5.93 ± 1.40

2-7

5.55 ± 1.63

0.884

0.381

FSH (IU/mL)

Range

Mean ± SD

3.3-9

4.9 ± 1.2

3-10

4.5 ± 1.4

1.08

0.283

Prolactin (mg/dl)

Range

Mean ± SD

8-19.1

9.0 ± 3.0

7-18.7

9.7 ± 3.10

0.811

0.421

TSH (MIU/L)

Range

Mean ± SD

1.1-2.9

1.96 ± 0.6

1.3-3

2.0 ± 0.6

0.235

0.814