0 mg Letrozole (Group A)

5 mg Letrozole

(Group B)

7.5 mg Letrozole

(Group C)

p value

Mature Oocytes

9.2 ± 6.0

13.9 ± 6.6

12.7 ± 7.2

0.05 (A vs B)

0.16 (A vs C)

0.43 (B vs C)

Embryos

4.8 ± 3.3

9.2 ± 4.4

5.2 ± 4.3

0.05 (A vs B)

0.82 (A vs C)

<0.01 (B vs C)

Estradiol (pmol/L)

7432 ± 4553

2072 ± 1656

1445 ±1238

<0.01 (A vs B)

<0.01 (A vs C)

0.04 (B vs C)

Cycle Length (days)

10.3 ± 1.83

10.3 ± 2.37

10.9 ± 2.30

0.97 (A vs B)

0.39 (A vs C)

0.27 (B vs C)