Abstinence

Effectiveness: 100%

Avoidance of any sexual activity that allows sperm to get in the vagina or near the vaginal opening. It works by keeping sperm separate from the egg.

 

Availability: Anyone
 

Cause of Failures: Semen comes into contact with the vulva or vagina.
 

STI Prevention: Yes, if it includes avoidance of oral sex, anal sex and skin-to-skin contact.
 

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