<prompt> A female presents with 3 cms painless ulcer with raised edges on Labia majra Mc cause is:SyphilisGonorrheaHerpesChlamydia  <response>: Ans. is a, i.e. SyphilisRef: Williams Gynae 3rded, p56With pregnancy syphilis, the halltnark lesion is the chancre, in which spirochactes are abundant classically, it is an isolated non tender ulcer with raised sounded borders and an uninfected base. - Ref: Williams Gynae 3rded, p56 