The only thing that can prevent pregnancy is regular use of protection. For example using a condom every time you have sex or failing that starting Birth Control. Birth control used in conjunction with a condom will prevent pregnancy.
No.
Yes she can. Antibiotics do not prevent you from getting pregnant. They may have some affect on the effectiveness of various birth control pills.
Birth control pills prevent you from getting pregnant, not help you get rid of the fetus after it's already there.
All of them! If you are trying to get pregnant you do not want to take birth control pills. Their whole purpose is to prevent pregnancy.
No...
No, they don't.
To keep you from getting pregnant
Skipping sugar pills to avoid a period reduces, and does not raise, your risk of getting pregnant on the pill.
100%
The active birth control pills are the ones that prevent pregnancy. If you don't take those pills, you could get pregnant.
Birth control pills are meant to help prevent pregnancy. That is what they're designed to do.
The while pills on Trinessa are active pills that prevent pregnancy. If you don't take the active pills, you could get pregnant.