What is the normal red blood cell value?

Red blood cells are a very important indicator in our blood routine examination. After observing the number and morphology of red blood cells, it can play a role in judging diseases. It is one of the auxiliary means commonly used by doctors to diagnose diseases. Its normal value is different for men, women and infants. The normal range for men is 4-5.5 times 10 to the 12th power per liter, for women it is 3.5-5 times 10 to the 12th power per liter, and for newborns it is 6 - 7 times 10 to the 12th power per liter. If the red blood cells are reduced, it is normal to indicate anemia, massive bleeding, severe tissue damage, vitamin B12 deficiency, and even leukemia. The increase in red blood cells is more common in body hypoxia, blood concentration, polycythemia vera, emphysema, etc.