Contraception Effectiveness

Menstuff® has compiled the following information on contraceptive effectiveness.

Ideal Success Rates of Various Forms of Birth Control

Perfect Use
Failure Rate/Typical Use*

General Methods

.

.

Abstinence **

100%
60-88%

Chastity belt

100%
99%*

No Protection

10-20
80-90

Withdrawal

96
25

Rhythm Method

90
15-25

Outercourse

100%
*

Medical Methods

.

.

The Pill (female) ****

99.5-99.9
7.5

Emergency Contraception (female)

99
3-5

Gels and Foams

95
15

Genital Devices

.

.

Male Condom

98
14

Female Condom

97
10-15

Cervical Caps and Diaphragms (female)

98
10-15

IUD - Mirena

99+
4

IUD - Paragard

99
4

Shot - Depo Provera

99+
NA

Patch - Ortho Evra

99
NA

Ring - Nuva

99
NA

The Sponge (female)

95
15-20

Surgery-Sterilization

.

.

Vasectomy (male) ***

99+
0.15

Tubal Litigation (female)

99.5
0.05

Filshie Clip (female)

99+

 

* Recognizes that 100% proper application and use is not always attained. In order to achieve the Ideal Success Rate, the method must be used on 100% of all occasions. The belt only requires a good locksmith.
** Higher failure rate than all other forms of birth control with the possible exception of no protection at all.

*** Note: We expect that castration would show similar results.
**** Depending on formulation. Sources: Perfect use--Hatcher, RA, et al., Contraceptive Technology, 17th ed., 1998, page 216. Typical use--AGI, Fulfilling the Promise: Public Policy and U.S. Family Planning Clinics, 2000, page 44.

Source of most of the information: www.guttmacher.org/pubs/spib_SE.pdf  

*    *    *

Condoms are easier to change than diapers and fail less often that abstinence.

Contraceptives should be used on every conceivable occasion. - Spike Milligan



Disclaimer - Information is designed for educational purposes only and is not engaged in rendering medical advice or professional services. Any medical decisions should be made in conjunction with your physician. We will not be liable for any complications, injuries or other medical accidents arising from or in connection with, the use of or reliance upon any information on the web.



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