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A female asked:

Is it normal to have period three days before it's due and the blood is dark brown ....

1 doctor answer4 doctors weighed in
Dr. Melanie Mintzer
Family Medicine 41 years experience
Early menses: Menstrual cycles are not always regular for a number of reasons including pregnancy, anovulatory cycle, hormone imbalance, missing a birth control pill, miscarriage, or infection. Dark brown blood occurs when the flow is slow and the blood has time to be oxidized in the vagina. I would check to make sure you are not pregnant. If your next period is irregular I would seek medical attention.

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Last updated May 2, 2015

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