To prevent pregnancy, stop it before you get pregnant, there are many methods. The Birth Control pill, condoms etc. Talk to your gynecologist what will suit you the best. If you have had unprotected sex you can also take the Morning after pill up to 72 hours afterwards. That prevents the egg to attach to the uterus wall. Once you are pregnant only abortion will work.
homeopathy remedies are safe for all ages including pregnancy.
no it can't prevent pregnancy
Vitamins don't prevent pregnancy.
BV won't prevent pregnancy.
Starch as in pasta, potatoes etc? That does not prevent pregnancy.
NO ! ONLY contraception or abstinence can prevent pregnancy !
No. Cytotec can be used for abortion but not to prevent pregnancy.
Yaz is a birth control pill. It is intended to prevent pregnancy.
There are no sure, safe home remedies and attempting abortion without a doctor's supervision is also illegal.
Advil don't prevent pregnancy no matter how many you take.
No, weed does not prevent pregnancy or interfere with contraception methods.
You can write about how to prevent teen pregnancy. Or what causes teen pregnancy. Talking about the right form of education to prevent teen pregnancy will work as well.