NO ! ONLY contraception or abstinence can prevent pregnancy !
No
They don't "prevent" anything. They provide hot water , usually as needed.
There's no way to prevent pregnancy by eating anything. OK,it is possible if you have a glass of water...instead of sex ;)
no it can't prevent pregnancy
Vitamins don't prevent pregnancy.
BV won't prevent pregnancy.
To prevent the heat dissipating.
Lithium does NOT prevent pregnancy.
No. Hot water is a bigger factor when you are pregnant. You will want to avoid hot tubs, hot baths and hot showers.
To prevent stratification of the hot water molecules into the cooler water as heat goes to cold
Starch as in pasta, potatoes etc? That does not prevent pregnancy.
No. Cytotec can be used for abortion but not to prevent pregnancy.