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A member asked:
I sadhana why i have black blood starting to ending of my periods?
A doctor has provided 1 answer
Old blood: Blood has iron in it and the older the blood is and the longer it sits free the darker it gets. It generally goes from bright red to dark red, to brown and eventually blackish in color. It has to do with oxidation of the iron.
Answered 12/23/2013
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