RELATIVE EFFECTIVENESS OF BIRTH CONTROL METHODS*

The use effectiveness of a birth control method is defined as how well a birth control method works in ”typical use”, taking into consideration human error and other non ideal factors.

To make an informed choice, both partners need to understand how to use the method correctly and consistently. Effectiveness figures are based on 100 couples using the method for a year and show the percentage who do not get pregnant while using the method for 1 year. For more information on any of these methods, contact Sex Sense or visit an Opt clinic in your area

 

                                  METHOD          USE EFFECTIVENESS*
                    (Actual Use)

  IUDs

  • Copper
     
  • Hormonal (Progestin)

 

99.2%

99.8%

  Depo Provera (DMPA)

94%

  Pill

  • Combined
     
  • Progestin

 

91%

91%

  Vaginal Ring

91%

  Patch

91%

  Diaphragm**

88%

  External Condom

82%

  Internal Condom

79%

  Withdrawal Method

78%

  Spermicides

  Foams, creams, gels, VCF

  Sponge 

  • has not had children
  • has had children

 

72%

 

88%
76%

  Fertility Awareness Method****

76%

  Lactational Amenorrhea Methods*****

75% - 88%

  Vasectomy

99.8%

  Tubal Ligation

99.5%
  Continuous Abstinence No established rate with typcial use

  No Method

15%

 

*Rates based on current SOCG Canadian Contraceptive Consensus
** Diaphragms are not widley available in Canada. Effectiveness percentage is when diaphragm is used with spermicidal jelly.
*** Spermicides include foams, creams, gels, vaginal suppositories, vaginal film, and spermicidal sponges. Spermicides are not readily available in Canada.
**** Fertility Awareness Methods are methods that use techniques to determine high-risk fertile days. This can include using the calendar method, cervical mucus ovulation detection method, and Basal Body Temperature Method (BBT), as well as other methods. Many users use more than one fertility awareness method. For more information on this method, contact Sex Sense.
***** Lactational Amenorreha Method is considered an excellent form of birth control, if all conditions are followed. For more information on this method, contact Sex Sense

Revised March 2018