A member asked:

I'm late in period but took plan b would it further delay my period or give me fales negative hpt?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Plan B won't cause : False negative home pregnancy tests. Potential side effects w emergency contraception include menstrual flow changes (spotting, bleeding, early or late period). Take pregnancy test ; notify dr if your period is 7 or > days late.

Answered 3/6/2014

4.4k views

Thank

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