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A member asked:

Took plan b 5 weeks ago. can it delay/mess upperiods? had regular period wk after plan b, then breakthrough 2wk later and now my period is delayed

A doctor has provided 1 answer
Dr. Liesa Harte answered

Specializes in Family Medicine

Irregular period: Yes, it could affect your periods. You are probably having an irregular period. It will probably straighten out soon.

Dr Fowler and another doctor agreed

Answered 1/28/2015

3.5k views

Thank

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Can Plan B delay your 2nd period? My boyfriend and i had protected sex march 14 and the condom slipped off, i took Plan B the next day and got my period march 23 (i am very regular every 24 days). We had protected sex again april 6, but nothing went wrong

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