A member asked:

I missed my period this month and took two negative pregnancy tests. could this be due to my running 4x per week at 3 miles each?

A doctor has provided 1 answer

Could be: Exercise, especially if you lost may alter your hormonal balance and result in ammenorrhea. Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site for more information on this topic. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx Practice safe sex.

Answered 8/18/2015

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