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A member asked:
How long does it take for the pill to become effective after unprotected sex?
A doctor has provided 1 answer
Depends...: Birth control pills need to be taken every day to be effective. If the pill is started in the first five days of menstrual bleeding, it is effective immediately. If it is started any other time, you should use a back-up method until the next period. If you had unprotected intercourse, you can use emergency contraception to prevent pregnancy even when not on a regular pill. Best wishes!
Answered 4/17/2016
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