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A 20-year-old female asked:

My period is late, and everytime that i've had sex its been protected, i've taken 2 pregnancy tests that both read negative. why is my period late?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Menstrual: irregularities are not uncommon and a usual cause is anovulatory cycle. See this site for more information on this subject. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx

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Last updated May 13, 2014

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