Effectiveness of Birth Control Methods

Birth control methods are good at preventing pregnancy when used consistently and correctly.

Check out the difference between Perfect Use and Typical Use.

Make sure your method of choice is being used correctly!

MethodPerfect
Use
Typical
Use
Pregnancies*Risk Reduction
for STIs
Abstinence100%100%0Some. Oral and anal sex have some risk.
Sterilization99+%99+%0-1None
Depo-Provera99+%97%3None
IUD99+%99+%0-1None
Birth Control Pills99+%92%8None
Contraceptive Patch98-99%92%8None
Intravaginal Ring
(Nuva Ring)
98-99%92%8None
Emergency Contraception
Pills
75-89%75-89%11-25None
Male Condom98%85%15Good against fluid STIs, fair against others
Coitus Interruptus
(Withdrawal)
96%81%19None
Diaphragm94%84%16None
Cervical Cap:


Given birth


Never given birth


74%


91%


68%


84%


32


16


None
Female Condom95%79%21Some
Natural Family Planning
(Rhythm)
N/A75%25None
Spermicide82%81%19None
No Method
(Chance or “Luck”)
15%15%85None
MethodPerfect
Use
Typical
Use
Pregnancies*Risk Reduction
for STIs

* number of pregnancies in 100 typical users over one year’s use Sources: Hatcher, Robert, et al. Contraceptive Technology. (18th edition). New York: Irvington Publishers, Inc., 2004.