All of the following may predispose to Endometrial Ca, except:: (A) Un-opposed Estrogen, (B) Oral contraceptive, (C) Radiation, (D) Tamoxifen therapy
Answer is B. Oral contraceptives will not predispose to Endometrial Ca. Ref: Current Obs and Gynae Diagnosis and Treatment, 9th Edition, Page 916 ; Shaw's Textbook of Gynaecology, 12th Edition, Pages 302-3