"There is limited research on the sexual function of transgender men and gender diverse people assigned female at birth (AFAB). The evidence that exists suggests that, although testosterone GAHT is associated with increased desire and arousal, a high proportion of transgender men also reported dyspareunia (painful sex), a common symptom of vaginal atrophy. The prevalence of dyspareunia may be as high as 60% to 62% among transgender men, markedly higher than the prevalence reported among cisgender women (3%–48%)."