Hemoglobin is a protein that carries oxygen from the lungs to different cells throughout your body. The cells use the oxygen to grow and reproduce. How Do Blood Tests Determine MCH Levels?

Francis, who had part of one lung removed when he was younger, was receiving high flows of supplemental oxygen, and received two blood transfusions on Sunday to increase hemoglobin levels.

If your complete blood count shows low red blood cells, you may have anemia during pregnancy, which may cause symptoms like ...