Skip to Content
Home > Patients & Visitors > Health Library > Effectiveness Rate of Birth Control Methods
This table compares how well different
birth control methods work. The column on the right shows how many women out of
100 will have an unplanned pregnancy in the first year of using a method.
These numbers reflect studies of real-life usage.
improve on the real-life failure rate of birth control methods by consistently
using birth control methods as directed. But even with perfect use, a method will still fail to prevent a pregnancy in a certain number of
Combination birth control pills
Fewer than 1.
Progestin-only pills (mini-pills)
Diaphragm with spermicide
Sponge with spermicide (no previous vaginal
Sponge with spermicide (after vaginal
Cervical cap (no previous vaginal
Cervical cap (after vaginal
Periodic abstinence and fertility awareness
Tubal ligation or tubal implants
No birth control
The numbers shown in this table show the typical use
rates for the average population. This includes people who use their birth control
very carefully and those who do not.
Trussell J, Guthrie KA (2011). Choosing a contraceptive: Efficacy, safety, and personal considerations. In RA Hatcher et al., eds., Contraceptive Technology, 20th ed., pp. 45–74. Atlanta: Ardent Media.
Abramowicz M (2010). Choice of contraceptives. Treatment Guidelines From The Medical Letter, 8(100): 89–96.
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineSpecialist Medical ReviewerFemi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology
Current as ofMay 22, 2015
Current as of:
May 22, 2015
Sarah Marshall, MD - Family Medicine & Femi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2015 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Send Us Your Feedback
North Kansas City Hospital