Conversation: The conversation between human and AI assistant.
[|Human|] had a cbc done on 9/28/2010 showing rbc 5.37, hb 14, hematocrit 40.5, mcv 75.4, mch 26.1, rdw-cv 14.5 and these numbers have been pretty consistent based upon 3/2/2010 & 5/10/2010 cbcs. Then on 12/21/2010 same test with corresponding values rbc 4.61, hb 11.3, hematocrit 33.5%, mcv 72.7, mch 24.5 and rdw-cv 15.3. Just wondering if could give some insight on what would cause this type of variance?
[|AI|]  Hello, there are a lot of critical details missing from your description, but I'll try to give you some direction. A decreased hematocrit with lower than usual MTV and higher raw usually suggests iron deficiency, although this is not 100% certain. Ferritin levels can help estimate the iron stores of your body. Clinical details can be very helpful as well. Any blood loss can cause a Chat Doctor.  This includes menstrual losses, gastrointestinal bleeding, hematuria etc. Decreased iron absorption is another possible cause. It usually has to do with very low meat and fish consumption. If you've had an infection, a