A 24-year-old female asked:
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I had sex on Jan 16 and the condom broke, took Plan B within 24 hours, got my period on feb 3 about 3 days early. It is now march 8, still no period?

1 doctor answer
Dr. Georgia Latham
34 years experience in Family Medicine
Don't worry: Do a pregnancy test just to be sure, and put your mind at ease. It is more likely that you have had an anovulatory cycle (a cycle during which an egg is not released). If you usually have regular cycles, then this is more than likely related to taking Plan B. Give your body a little time and your cycles should get back to normal. Consider proactively using reliable birth control.
Answered on Mar 9, 2015

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Doubtful: Plan B is usually quite effective and the brown discharge is old menstrual blood. This may persist for several weeks.
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Pregnancy test: Worth doing, you will be reassured if itis negative.
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Plan B: Plan b can disrupt your next menstrual cycle because it is a strong dose of hormone. Your cycle should normalize in time.
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