<prompt> A 19-year-old girl with painless ulcer in labia majora with everted margins:Treponema pallidumChlamydiaGonorrhoeaHerpes genital ulcer disease  <response>: Ans. is a, i.e. Treponema pallidumThe Mc causes of genital ulcers in young, sexual active women are: Herpes simplex virus HSV Treponema pallidum syphilis Haemophilus ducreyi chancroid.In this case, painless ulcer with everted margin leave no doubt that the cause of the ulcer is syphilis treponema pallidum.Clinical features of genital ulcers 