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(A and B) Sex hormones and (C) plasma DHT and testosterone levels were decreased in ex-DHT rats. Plasma estradiol levels were similar among groups. (D) Vaginal cytology was performed daily for 5 consecutive days at the end of the study. The figure shows the pattern of four representative ex-DHT rats (#1 to #4) and two controls (#5 and #6). D, diestrus; E, estrus; M, metestrus; P, proestrus.
