<prompt> On routine examination, it is discovered that a 35-year-old woman had been exposed in-utero to Diethylstilbestrol DES administered to her mother, who had had a history of recurrent spontaneous aboion. This history suggests that the patient might be at increased risk of which of the following?AdenomyosisClear cell adenocarcinomaLichen sclerosusSquamous cell carcinoma  <response>: Diethylstilbestrol DES is the risk factor for clear cell adenocarcinoma of the vagina and cervix in young women with a history of in utero exposure to DES while their mothers were pregnant. 