30 Amazing O Negative Blood Type Facts

O Negative Blood Type Facts: Blood is classified by genetic immunosuppressants (also known as blood group), which may or may not be present on the surface of the MBC of red blood cells (RBCs) in the blood. It can occur based on blood type. Some immune stimuli are also found on the surface of different types of cells in different tissues. Most of the immune stimuli found on the surface of blood cells are produced by a dual gene (or closely related gene). All of these together form the blood cell system.

Blood type is inherited. It is inherited from both parents. The International Society of Blood Transfusion (ISBT) recognizes a total of 30 human blood group systems.

Many pregnant women carry a fetus with a different (non-spontaneous) blood type. This creates immune sources within the mother that can fight off fetal RBCs. IgG, a small immune protein that is sometimes formed in these mothers, travels to the placenta, destroying embryonic RBCs and causing red blood cell degeneration. This can lead to red blood cell degeneration in the newborn. The disease is caused by a low number of blood cells in the fetus, which can vary from mild to very severe.

30 Amazing O Negative Blood Type Facts

30 Amazing O Negative Blood Type Facts

  • O negative blood type can only receive O negative blood.  
  • There are several blood types including A+, A-, B+, B-, AB+, AB-, O+, and O-.
  • 38% of the population has O positive blood, making it the most common blood type.
  • O negative is the first blood supply to run out during a shortage due to its universality.
  • Type O positive blood is one of the first to run out during a shortage due to its high demand. 
  • An individual with O negative blood is considered to be a universal donor if they donate blood.
  • Those with O positive blood can only receive transfusions from O positive or O negative blood types. 
  • People with type O blood tend to have higher levels of stomach acid and therefore experience more ulcers.
  • Higher rates of O negative blood type are found in people from Spain, Iceland, New Zealand, and Australia.
  • The blood type of a person is determined by chromosome 9. A child born to parents who are both O will also be O.
  • While a person with O negative blood has no A or B antigen in their red blood cells, the plasma still contains A and B antibodies.
  • Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type.
  • Over 80% of the population has a positive blood type and can receive O positive blood. That’s another reason it’s in such high demand.
  • If a person with O negative blood can only receive O negative blood. If they are given any other type will cause an immune response in the body.
  • O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are positive (A+, B+, O+, AB+).
  • In an emergency when a blood transfusion is required, the use of O negative is the safe choice, especially when there is no time to test the patient for blood type.
  • O negative blood is more common in Caucasians, at 8% of the population. Only 4% of Africans and Hispanics have O negative blood type and only 1% of Asians have O negative.
  • People with O negative blood following the Eat Right for Your Blood Type Diet are believed to be healthiest on a diet of lean protein, and only limited wheat and grains, which will cause them to gain weight.
  • O negative donors who are CMV negative are known as Heroes for Babies at the Red Cross because it is the safest blood for transfusions for immune deficient newborns. Learn more about how you can be a Hero for a Baby.
  • O positive donors who are CMV negative are known as Heroes for Babies at the Red Cross because it is the safest blood for transfusions for immune deficient newborns. Learn more about how you can be a Hero for a Baby.
  • O negative is the most common blood type used for transfusions when the blood type is unknown. This is why it is used most often in cases of trauma, emergency, surgery and any situation where blood type is unknown. O negative is the universal blood type.
  • Most babies do not have the same type of blood as their mother. This is not a problem unless the O negative mother is Rh- and the baby is Rh+. Medical intervention is required to help avoid complications that can become fatal for the baby if left untreated with antibodies.
  • Some people believe that a person's blood type can predict a great deal about them, including their character, personality, and even how well they get along with others. Despite this never being proven correct, South Korean and Japanese cultures still believe in these myths.
  • A child born to one parent with O and the other with A will be either O or A at birth. A child born to one parent with O and the other B will be either O or B at birth. A child born to both parents with A will be either O or A. If both parents are B the child will be either O or B.
  • In major traumas with massive blood loss, many hospitals transfuse O positive blood, even when the patient’s blood type is unknown. The risk of reaction is much lower in ongoing blood loss situations and O positive is more available than O negative. Type O positive blood is critical in trauma care.
  • Only 7% of the population have O negative blood. Due to the its versatility for transfusions, it is in high demand. In an emergency, it is the blood product of choice. For example, just one car accident victim can require up to 100 units of O neg. Meeting the demand for O negative blood is always a priority for the Red Cross. 

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