<prompt> SE of diethyl stilbesterol when used in pregnant woman-Deep vein thrombosis in pregnant womanFeminization of external genitalia of male offspringInfeility and development of vaginal carcinoma in female offspringVirilization of the external genitalia of female offspring  <response>: Ans. is c i.e., Infeility and development vaginal carcinoma in female offspring Stilbestrol given to pregnant women Increased risk of vaginal and cervical carcinoma in the female offspring in childhood or early adulthood. 