BV shouldn't prevent you from getting pregnant.
Your chances of having an ectopic pregnancy from BV is about zero.
BV won't cause a false negative on a pregnancy test.
Use of condoms will help you not to have BV.
It is not recommended to take flagyl during pregnancy.
no it can't prevent pregnancy
Vitamins don't prevent pregnancy.
NO ! ONLY contraception or abstinence can prevent pregnancy !
Starch as in pasta, potatoes etc? That does not prevent pregnancy.
No. Cytotec can be used for abortion but not to prevent pregnancy.
BV is an imbalance / overgrowth of some bacteria in the vagina. Since sperm is basic and not acidic, having ejaculate in the vagina increases the pH and causes BV. Normal vaginal pH is less then 4.5. Some women have BV without sexual intercourse, and for some reason the normal vagina flora is disrupted. It is not known exactly what causes BV in some women.
Yaz is a birth control pill. It is intended to prevent pregnancy.