In PCOD which of the following drug is not used for infertility

Clomiphene citrate:  Used for induction of ovulation; can be 50 mg/day increased to 150mg/day; Starting from day 2 to day 6 of the cycle for 5 days Tamoxifen 10 mg daily for 6 months has been effective in treating male infertility Testosterone 25 -50 mg daily orally improves testicular functions Spironolactone is an antiandrogen; used for treating Hirsutism