This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infeility (Eggs'plantation!), Subject name: Gynaecology & Obstetrics
Antihormone used in Infeility is: 
Select and explain. 
A. Mifepristone, B. Clomifene, C. Danazol, D. Finasteride
B: Clomifene
Answer: B: Clomifene 
Explanation: Clomifene citrate : Anti-estrogenic -effects on the Hypothalamic axis which promotes release of FSH and LH which induces folliculogenesis and ovulation. Finasteride: Competitive inhibitor of enzyme 5 alpha reductase. with anti androgenic propeies Mifepristone: antiprogesterone used for inducing aboions Danazol: antiestrogen, weak androgen, weak progesterone action. Used in endometriosis and abnormal uterine bleeding