Contraceptive Failure Rate Chart

Contraceptive Method

Failure Rate in Preventing Pregnancies
(pregnancies per 100 users per year with typical use)

Protection Against STDs

Depo Provera Injection

3% with typical use1

None

             Implanon  injection

          . 05% with typical use1, 2

            None

Patch (Ortho Evra)

8%2

None

Vaginal Ring (Nuva Ring)

8%2

None

Tubal Ligation

0.5%2

None

Male Sterilization

0.15%2

None

Mini-pills (progestin-only pills)

8% with typical use1

None

IUD (dependent upon type of IUD)

1.8%2

Paraguard .8%       Mirena( LNG-IUS) .2%

None

Birth Control Pill

(combined pill & progestin-only pill)

8% with typical use2

None

Condom: Male

15% with typical use1

85% protection against HIV/AIDs, some protection from other STDs3

Condom: Female

21% with typical use1

Some protection

                   Cervical Cap 

   (Women who have delivered vaginally)

32% with typical use in women who have delivered vaginally1

None

Cervical Cap

(Women who have not delivered vaginally)

16% with typical use in women who have not delivered vaginally1

None

Reality Sponge (women with no children

16%2

None

Reality Sponge (women with children)

32%2

None

Diaphragm

16% with typical use1

None

Spermicide only

29%2

None

     

 

 

1Consumer Reports, Condoms and Contraception, February 2005.

2Trussel J. Contraceptive Efficacy. In Hatcher RA, Trussell J, Stewart F, Nelson A, Cates W, Guest F, Kowal D. Contraceptive Technology: 19th Revised Edition. New York NY: Ardent Media, 2007.

3Hitchcock P. Scientific Evidence on Condom Effectiveness for Sexually Transmitted Disease (STD) Prevention: Workshop Summary. Hernfon (VA): DIANE Publishing, 2001. (From a workshop help by the US National Institute of Allergy and Infectious Diseases, NIH, June 12-13, 2001.)

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