Plain (NOT vanilla) organic yogurt spread on a tampon should do the trick. I believe
Amoxicillin is alright to take
during pregnancy, except it kills the good bacteria in your body as well as the bad. Yogurt is safe, unless your water is broken (in that case, nothing should be in the vagina) but even if you aren't comfortable with inserting it, eating an extra dose of it daily will help your body keep the yeast under control.