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Seattle, WA
A 25-year-old female asked:

Is it normal for a red blood cell count to fluctuate from 4.2 to 4.0 in a few months? what is the normal range?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 50 years experience
Yes, & see below: The normal range for a female is 4.2 to 5 +. Menstrual blood loss can account for the variation you mentioned. See this site for more info. http://www.nlm.nih.gov/medlineplus/ency/article/003644.htm.
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Last updated Jun 14, 2013

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