This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex-Hormone, Subject name: Pharmacology
All are true about estrogen EXCEPT: 
Select and explain. 
A. Causes cholestasis, B. Used in treatment of gynecomastia, C. Used in HRT, D. Increased risk of breast cancer
B: Used in treatment of gynecomastia
Answer: B: Used in treatment of gynecomastia 
Explanation: ANSWER: (B) Used in treatment of gynecomastiaREF: Harrison's 18th ed chapter 346, KDT 3d1 edition page 276Estrogen receptor antagonists are used in the treatment of gynecomastia not estrogenAdverse effects of Estrogen:Suppression of libido and gynecomastiaFusion of epiphysesEndometrial carcinomaIncreased incidence of breast cancerIncreased incidence of cholestasis and gall stonesIncreased chances of thromboembolism