<prompt> Gonococcal vaginitis occur in :Adults womenprepubeal girlsInfantspost menopausal women  <response>: Premenarchal girls are vulnerable to vaginal infection due to : Very low circulatory estrogen leading to Lack of stratification of vaginal epithelium Lack of glycogen and doderlein;s bacillus Alkaline vaginal PH Ref: D.C.DUTTA;S TEXTBOOKOF GYNECOLOGY; 6th edition; Pg no:544 