Birth Control Pills Birth Control Pills Combined birth control pills contain two hormones, an estrogen and a progestin. If pills are used consistently and correctly, just one in 1,000 women will become pregnant. Use a backup contraceptive for the first 7 days of your first pack of pills. Pills decrease women's menstrual cramps and pain. They reduce menstrual blood loss and a woman's risk for anemia.
Acne often improves.
Many women enjoy sex more when on pills because they know they are less likely to get pregnant. Use condoms to protect yourself from STD's. You have to remember to take the pill every day, at the same time. Pills tend to make periods very short and scanty. You may see no blood at all.