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Blood

What does black blood mean?

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Wiki User
January 05, 2011 2:56AM

The meaning behind darker blood varies depending on where the blood is coming from: Darker blood from menstruation could mean that the blood is old because periods are not regular. Dark blood from your veins could mean something like you have too much iron in your blood. Veinous blood as well as fresh menstrual blood should always be bright to deep red, not burgundy or black. If blood is dark you should have it checked out by a doctor.