This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Polycystic Ovarian Syndrome, Subject name: Gynaecology & Obstetrics
Which of the following is not used in polycystic ovarian syndrome (PCOS)? 
Select and explain. 
A. OC pills, B. Cyclical progesterones, C. Letrozole, D. Danazol
D: Danazol
Answer: D: Danazol 
Explanation: Management of PCOS Irregular periods/Amenorrhea Rx Combined OC pills Progesterone only pills ( For 10 days - from 14th day/ mid cycle) Hirsutism Rx Anti Androgens OC pills containing progesterones with anti androgenic action Cosmetic Rx for hair : prevents depression. Infeility Rx Ovulation induction ( clomiphene, letrozole) Weight reduction Insulin sensitizers Metformin Inj Recombinant FSH Inj Gonadotropin