It is essential to know what our blood group is, also called Blood group. There are 4 main blood groups: A, B, 0 and ABO0, which are determined by the presence or absence of certain proteins on the surface of red blood cells, blood cells.
Also, every person has a blood type based on Rh positive or Rh negative, depending on the presence or absence of another antigen or protein in red blood cells.
As we have said, it is very important that you know your blood type if you want to donate, for example. Also, if you are in an emergency situation and need a transfusion, you will need to know your blood type so they can give you the same blood type.
Next, we’ll take a closer look at the different characteristics of different blood types.
Read: Understanding a blood test, we explain all the parameters
A positive (A+)
Group A positive is one of the most common blood types. 1 in 3 people is A+; or, which is the same, 35.7% of the population.
People who are A positive they can donate blood both to others of their own group and to people belonging to the AB positive group. This is because they share the same type of protein, so the body won’t attack the new cells, as it recognizes them as its own.
In case of transfusion, A+ people can receive blood from groups A and 0. Donors of this blood group are encouraged to donate whole blood and platelets.
A negative (A-)
In this case, the percentage of A negative people is reduced to 6.3%i.e. 1 in 16 people in the population share this blood type.
To donate blood, you can do it to people who are part of the group:
- TO-
- A+
- AB+
- AB-
However, can only receive blood from people A- or 0-. Donors in this group are encouraged to donate whole blood and double red blood cells.
B positive (B+)
8.5% of the population, or 1 in 12 people, have type B+. Type B+ donors can donate to type B+ and AB+ people. In this sense, this population group can receive blood of any blood group B or 0.
Type B+ blood donors may have the greatest impact with whole blood donations and double red blood cells.
SI negative (SI-)
We continue to reduce the number of people, being 1 in 67 those who have this blood type, that is, 1.5% of the general population.
Negative B people they can be blood donors to people with blood group B positive, B negative, AB positive and AB negative. As with the previous group, they can only receive blood from people with the same blood group or from 0-.
Regarding the advice during the donation, it is advisable for B positive people to donate whole blood or platelets.
0 positive (0+)
Above the positive A, the positive 0 is found. It is the most common blood type and it represents 37.4% of the population.
People with 0+ can donate blood to all positive blood types. However, can only receive blood from other 0+ or ​​0-. Donors with this blood type are encouraged to donate double red blood cells and whole blood.
negative 0 (0-)
It is the famous universal donor. It gets this name because people with this blood type are compatible with all blood types. Therefore, it is the most requested blood group by hospitals.
The percentage of people 0- represents 6.6% of the population, which is equivalent to saying so 1 in 15 people is 0-.
Although they can donate to anyone, can only receive blood from people of the same blood group, 0-. It is recommended to donate double red blood cells and whole blood.
AB positive (AB+)
AB+ is the rarest blood groupwith only 1 in 29 people, which translates to 3.4% of the world’s population.
Unlike the 0-, AB + people can only give to other AB+ receptors, but they can receive any type of blood, making them the universal recipient of blood.
AB negative (AB-)
This group constitutes the rarest of all blood groups.. Only 0.6% of the population has it. Blood type AB- can donate to AB- and AB+ and can receive from all negative blood types.
To donors of blood group AB- they are encouraged to donate platelets and plasma.
Now that you know a little more about the different blood types… Do you know who yours and your closest relatives are? Do you know your partner’s? If not, find out the data, as it may be useful to you at a particular moment.
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