In vitro-studies concerning the influence of commercially available spermicides on lactobacillus acidophilus as well as on pathogenic organisms of the genital tract revealed, that the preparations had only weak antimicrobial effect on Döderlein's bacteria and pathogenic fungi. However, all four preparations tested, revealed a good inhibition effect on neisseria gonorrhoeae, treponema pallidum and trichomonas vaginalis. Irreversible damage to gonococci and trichomonas vaginalis. Irreversible damage to gonococci and trichomonas was subject to considerable variation, probably due to the different chemical composition of the commercially in Austria available spermicides.
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