MICROANATOMY

Detailed explanation-1: -Rh positive is much more common than Rh negative. Having an Rh negative blood type is not an illness, and it usually does not affect your health. But it can affect pregnancy. Your pregnancy needs special care if you’re Rh negative and your baby is Rh positive.

Detailed explanation-2: -Although Rh positive is the most common blood type, having a Rh-negative typing does not indicate illness and usually doesn’t affect your health.

Detailed explanation-3: -Less than 1% of the U.S. population have AB negative blood, making it the least common blood type among Americans. Patients with AB negative blood type can receive red blood cells from all negative blood types.

Detailed explanation-4: -Type O is routinely in short supply and in high demand by hospitals – both because it is the most common blood type and because type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.