How effective are birth control pills compared to other forms of contraception?
Birth control pills have a 0.1% or 1 per 1000 people pregnancy rate and are 97-99.9% effective, although there are exceptions. The pill when compared to Depo, Norplant, IUDs, condoms, and diaphragms is the most effective way of preventing pregnancy. Consequently, the Pill and neither of the other forms mentioned above prevent against STDs such as HIV/AIDS.
