He know your blood type It may not be on your priority list, but the reality is that It is a piece of information that could be crucial. In 2021 in Spain, more than 1.8 million transfusions were performed, which leads us to reflect on the importance of knowing our blood group. In this article, we will show you the different blood types, their compatibilities, and how you can find out which one you belong to.
There are different types of blood and In each country or even community there are some that are more common than others. For example in Spain blood types of groups A and Zero (0) They are the most frequent.
All blood types are made up of the same essential elements, but they differ in the antigens that contain. These can cause the immune system to attack the transfused blood if it is not a compatible type, as explained by the Red Cross.
Specifically, there would be a acute immunohemolytic reaction or an acute hemolytic reaction to transfusion, which can be fatal.
When the recipient’s antibodies attack the transfused blood cells, they break down and release substances into the bloodstream that can cause damage. As a result, the kidneys can be damaged. The transfusion must be stopped.
What types of blood exist
There are four major blood groups or main blood types: A, B, AB and O, determined by genes inherited from parents. This nomenclature is called the ABO system.
Each group can be Rh positive or Rh negative.which gives rise to a total of eight blood groups.
Who can donate blood to whom
In 2021 in Spain, each blood donor made 1.52 donations, placing the donation rate in Spain at 36.48%. By autonomous community, Extremadura is the community where the most donations were made, with almost 50 donors per 1,000 inhabitants, according to the report from the Spanish Federation of Blood Donors (FedSang).
This table shows you the blood group you can donate to, based on your blood type.
What group can I donate to according to my blood group?
- O+: you can donate to O+, A+, B+, A
- A+: you can donate to A+, AB+
- O+: you can donate to B+, AB+
- AB+: you can donate only to AB+
- O- (Universal donor): you can donate to all blood groups
- A-: A-, A+, AB-, AB+
- B-: B-, B+, AB-, AB+
- AB-: AB-, AB+
What blood type can I receive blood?
- O+: you can receive from O+, O-
- A+: you can receive from A+, A-, O+, O-
- B+: you can receive from B+, B-, O+, O-
- AB+ (Universal Receptor): you can receive from all blood types
- O-: you can only receive from O-
- A-: you can receive from A-, O-
- B-: you can receive from B-, O-
- A-: you can receive from AB-, A-, B-, O-
How do I know my blood group?
There are times when it is crucial to know your blood type: if you need a transfusion, during pregnancy, if you want to donate blood or before any surgery, for example. To clear up doubts you can choose to:
1. Do a blood test: Ask your doctor to do this test if you don’t know your blood type. However, it is likely that you can find it in some document in your medical history, especially if you have been a mother or have undergone an operation.
2. Pharmacy blood group test: The tests are free sale. The result appears in a few minutes. To use these kits you have to prick your finger with a needle and put a drop of blood in a reagent to check for the presence of antibodies and the Rh factor.