Blood groups are classified according to the presence of the absence of lumps, also called antibodies or proteins in the blood plasma, so the blood can be categorized into 4 blood groups according to the ABO system in:
People with blood type can donate to anyone, but they can only receive people with the same blood type. On the other hand, people with type AB can receive blood from anyone but can only donate blood to the same type of blood. It is important that transfusion is only performed in people who have compatibility, because otherwise there may be transfusion reactions, which can lead to complications.
- In addition to the classification of blood groups with the ABO system.
- They are also classified according to the Rh and factor.
- The Rh factor corresponds to the antigens present in hematitis and should also be taken into account during the transfusion process.
- As they can be serious complications related to blood transfusion.
People who have the Rh factor are classified as: Rh and can receive blood from people who are Rh and Rh-, however, they can only donate blood to other people who also have Rh and; people who don’t ask for the Rh factor are classified as Rh-, they can donate blood to both people who request the Rh factor and those who don’t, they can only receive blood from Rh people.
The following table continues depending on the type of blood that can be donated and can be received:
A, B, O, AB, A-, B-, O- and AB- (all)
Blood type is usually identified after birth using the tip of the neonatal waist; however, your pediatrician may order the type of blood that can also be identified by a routine blood test to diagnose any disease.
However, knowing the blood type of priests, you can know how many types of blood the child can have. Put the data below and see what your child’s possible blood type is:
However, when the mother is Rh negative and the baby is positive, there is a risk that the mother will produce antibodies to remove the baby and cause an abortion, so patients with this type of blood should consult a gynecologist to check the placement of the anti-D immunoglobulin injection, but serious problems never occur during the first period. Learn more about Rh incompatibility in pregnancy.
Blood donation criteria may vary from country to country, but are common:
Men can only donate blood once every 2 months up to a maximum of 4 times a year, and women every 3 months up to 3 times a year. Each donation lasts about half an hour. Learn more about requirements and how to donate blood.
It is important that 4 hours before donation avoid eating fatty foods, so it is not necessary to go fasting, but to realize that the meritorious foresees blood donation.
After the donation of blood, the donation service by the general proposes a lunch that should be ingested to replenish energies, at home it is important to drink plenty of fluids, rest, not smoke for at least 2 hours after donation, to avoid struggle with the blood from which the blood is drawn and not perform a very intense physical activity , which can lead to a risk of withdrawal.
The person wishing to donate blood should help one of the blood draw devices, write a form with several questions about their health and personal habits, the form will be analyzed by a specialist and whether the person is able to donate blood.
A nurse will put water in the blood vessel, which has a tube through which blood will pass and a storage bag. In general, the patient asks to open and close his hand, delivering an anti-stress ball to introduce and promote blood circulation.
During the process, although it is only taken out a little less than half a liter, it is possible to feel a little discomfort in the arms, lack of strength to close the hand, this can be brown skin, weak and pale, being quite normal At the end of the donation, the service usually offers a gift to the donor to return his energy.
The donation of blood and donors is safe, with the risk of contracting a sick person, provided that national and international safety standards for blood donation from the country’s Ministry of Health and the American Association and the European Council of Blood Banks are met.