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A member asked:
After unprotected sex, i waited 84 hrs to take plan b. and now a week later i have a really light period. does the period mean the plan b worked?
3 doctors weighed in across 2 answers
Pregnant?: No way to tell without testing. Would wait 7-10 days and get a urine test strip from the pharmacy (otc and inexpensive). If negative, test again in another 7-10 days, hope Plan B worked.
Answered 6/30/2014
5.2k views
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Take pregnancy test: Plan b is approved for use up to 72 hours after unprotected sex. It is most effective the earlier it is taken. Any time you have an unusual (irregular) menstrual period you should check for pregnancy.
Answered 3/1/2016
5.2k views
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