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A 18-year-old female asked:

I'm on birth control for about 3 months now. my last period was dark brown for a couple days then went red, this month it is dark brown again. normal?

1 doctor answer2 doctors weighed in
Dr. Keegan Duchicela
family medicine 16 years experience
No worries: Dark brown blood means it's just older blood. Blood turns brown after it comes into contact with air. There will be some color variations with women's periods.
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Created for people with ongoing healthcare needs but benefits everyone.
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Last updated May 9, 2014

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