Continuous abstinence prevents pregnancy by keeping sperm away from the vagina. Abstinence is the only birth control method that's completely effective when used correctly. Read more.
Abstinence does protect against HIV and STIs.
Effectiveness based upon typical use.
Stop anytime; however, if you are thinking of having sex soon consider one of the other birth control methods.
Are there any side effects?
There are no side effects of abstinence when used continuously.