TIBC increases with decreased iron stores . However, many factors can alter the TIBC independent of iron stores. In contrast, pregnancy and oral contraceptives produce elevations. Elevated FEP indicates unmet iron to bind to the protoporphyrin ring. The most sensitive and conclusive evidence for iron deficiency is the hemoglobin responses to a therapeutic trial.
Ferrous sulfate is the preferred form.
Typically, the reticulocyte count increases within three to five days, and reaches its maximum at about ten days. Supplemental iron for pre-term infants after the first month. The blood smear showed marked hypochromic and microcytic red blood cells and normal platelet and white blood cells. The family history was significant for a positive sickle cell triat on the father. The mother was healthy.