If you have severe Anemia
If your hemoglobin concentration is less than 7.0 g/dl you have mild anemia.
If your hemoglobin concentration is between 7.0 and 9.9 g/dl, you have moderate anemia.
Mild anemia is defined as a hemoglobin concentration of 10.0-11.9 g/dl in a healthy woman and 10.0-10.9 g/dl in pregnant women and children under the age of five.