Several reasons: Can be blood loss form heavy periods or GI bleeding or other bleeding, inabiltiy to absorb, can be related to diet. You need to have work up see a hematologist.
Answered 6/10/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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