The prevalence of each microorganism was: N gonorrhoeae 24.7%, C trachomatis 22.7%, G vaginalis 19.6%, U parvum 13.9%, M genitalium 11.3%, U urealyticum 10.3%, C albicans 4.6%, M hominis 4.1%, HSV 2 1.5%, T pallidum 0.5%.