In the event that you don’t know that you’re pregnant, that is, within a month of being pregnant, this time vaginally inserted metronidazole, there is no great effect on pregnancy. Metronidazole this kind of drug although the instruction manual is prohibited for pregnant women, but through clinical observation, this kind of drug vaginal medication on the fetus is not obvious, that is, if you are pregnant, got bacterial vaginitis, trichomonas vaginitis, vaginal treatment with this kind of drug, will not have an effect on the fetus, because vaginal medication organism absorption is very little. So in the case of not knowing pregnancy, vaginal insertion of metronidazole is not need to worry about, regular pregnancy checkups can be, generally will not cause any effect.