<prompt> All are true about estrogen EXCEPT-Causes cholestasisUsed in treatment of gynaecomastiaUsed in HIncreased risk of breast cancer  <response>: Ans. is b i.e., Used in treatment of gynacomastia o Estrogen can cause gynaecomastia not used in gynaecomastia, cholestasis and breast cancer. o One of the most impoant use of estrogen is H in postmenopausal females. 