All are causes of hypoproliferative anemia except:
Early iron deficiency
Renal disease
Chronic inflammation
Later stages of iron deficiency
Causes of hypoproliferative anemia are early iron deficiency (before hypochromic microcytic red cells develop), acute and chronic inflammation, renal disease, protein malnutrition, endocrine deficiencies and anemias from marrow damage. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 844