<unk>  is a genus of gram-variable bacteria of which<unk>  is the only species.<unk>  can cause bacterial vaginosis in some women.
Gardnerella vaginalis
Trichomonas vaginalis
Cryptosporidium hominis
Dientamoeba fragilis
Chlamydia trachomatis
Neisseria gonorrhoeae
Ureaplasma urealyticum
Haemophilus ducreyi