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  • Title: [The states of recovery of blood counts and serum ferritin levels after blood donation].
    Author: Kumagai E, Kinoshita Y, Uchida K, Watanabe K, Onomichi M, Kumagai T.
    Journal: Rinsho Byori; 1993 Nov; 41(11):1265-70. PubMed ID: 8283804.
    Abstract:
    Complete blood counts and levels of ferritin in serum (S-Fer) in 62 college students were analyzed continuously to clarify the effects of blood donation. In 14 (45%) of 31 females, hemoglobin (Hb) and S-Fer levels showed decrease of more than 5% and 30%, respectively, four weeks after donation of 200ml or 400ml of blood. In 11 (35%) of the males and 6% of the females, Hb levels increased over 5% during the same period. In 61% of the males and 45% of the females, S-Fer levels decreased. In only 19% of the males, the Hb and S-Fer levels were unchanged. Red blood cell (RBC) counts and Hb levels showed almost the same pattern. In 39% of the males and 48% of the females, the white blood cell (WBC) counts decreased more than 10%. In 10% of the males and 23% of the females, WBC counts increased more than 10% after blood donation. The WBC and RBC counts did not always show the same pattern of variation. After blood donation, the incidence of iron deficiency anemia among females increased from 13% to 23% and the incidence of latent iron deficiency among females increased from 10% to 42%.
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