It is possible to use medication for vaginitis after pregnancy and the effects of vaginitis on pregnancy are relatively obvious. If you get vaginitis early in pregnancy, you may experience embryonic arrest or preterm miscarriage. In the middle and late stages of pregnancy, it may cause premature rupture of the membranes and fetal amnionitis, which may affect the growth and development of the fetus. Therefore, if you have vaginitis during pregnancy, it is important to treat it as soon as possible. If it is mycosis vaginalis, you can use clotrimazole vaginal tablets or dacrynic suppositories placed vaginally, all of which have no effect on pregnancy. If it is trichomoniasis or bacterial vaginitis, you can vaginally use metronidazole effervescent tablets, which are also very effective and can be cured in 7 days of general application. You should pay attention to the hygiene of your vulva and wear cotton and breathable underwear to reduce the occurrence of vaginitis during pregnancy.