How Much Do You Know About Contraception?

About half of all pregnancies are unplanned, says the American College of Obstetricians and Gynecologists. But women today have many safe and reliable options to choose from if they want to prevent pregnancy. Contraception, or "birth control," can be a drug, device, or method. Test your knowledge of contraception by taking this quiz.

1. Which methods of contraception require a prescription?
2. What do male condoms offer that other forms of contraception do not?
3. Besides the condom, which is another barrier method of contraception?
4. Which type of intrauterine device (IUD) is available?
5. Which of these is a possible side effect of oral contraceptives?
6. How often must the vaginal ring be replaced?
7. Which of these methods is called natural family planning?
8. Which of these methods of sterilization is permanent?