Anemia in Children -- American Family Physician

نویسندگان

  • JOSEPH J. IRWIN
  • JEFFREY T. KIRCHNER
چکیده

www.aafp.org/afp AMERICAN FAMILY PHYSICIAN 1379 in developing humans: the embryonic, Gower-I, Gower-II, Portland, fetal hemoglobin (HbF) and normal adult hemoglobin (HbA and HbA2). HbF is the primary hemoglobin found in the fetus. It has a higher affinity for oxygen than adult hemoglobin, thus increasing the efficiency of oxygen transfer to the fetus. The relative quantities of HbF rapidly decrease to trace levels by the age of six to 12 months and are ultimately replaced by the adult forms, HbA and HbA2.

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تاریخ انتشار 2001