A 20-year-old female complains of vaginal bleeding. Diagnostic workup reveals clear cell adenocarcinoma of the vagina. A maternal history should be obtained for use of?: (A) Thalidomide, (B) Oral DES, (C) Loss of sensation in the scrotum, (D) absent bulbocavernosus refl
Answer is B. Oral DES was given to patients who were unable to conceive. Fortunately, this complication is unlikely to occur, because DES has been withdrawn as a drug used for this purpose.