A female asked:
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my last period started aug 3/4. in the evening of aug 17th i took the morning after pill -approx 10 hours after sex. it is now sept 15th & no period?

1 doctor answer
Dr. Robert Kwok
32 years experience Pediatrics
About that pill...: Taking a morning-after pill (such as Plan B) can alter the timing of the current menstrual cycle bleeding and the upcoming cycle. Menstrual bleeding or spotting should be back to normal, after 3-5 weeks or so. One should check a urine pregnancy 3 weeks after taking the emergency contraception pill, to make sure there is no pregnancy. Home urine pregnancy tests are very accurate by 3 weeks.
Answered on Sep 16, 2018

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