Health

Blood donation, what you need to know

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Every year, health centers launch a call for blood donations because the demand never wanes. Your health insurance comparator LeLynx.fr gives you a summary of what you need to know about this noble and rewarding gesture.

Two types of donations

There is the so-called “total” donation and this is the most common form of donation. After the sample is collected, the three main components, namely platelets, plasma and red blood cells, will be used by the care center. The donor is then free to have a snack to recover and avoid discomfort.

The other, less well-known form of donation is called “apheresis” donation. This involves taking the blood and separating the main components. The collection center only keeps the plasma and/or platelets and the rest is injected back into the donor via transfusion.

To donate blood, you must be between the ages of 18 and 70 for total donation and no older than 65 for donation by apheresis. People who suffer from heart and vascular disease are forbidden to donate blood.

A man is allowed to donate blood 6 times a year, while a woman must limit herself to 4 donations. A period of 8 weeks must be respected between each donation to allow the organization to replace the donated.

Understanding Blood Types

A healthy adult should have between 5 and 6 liters of blood and it is the genes inherited from the parents that determine his blood type. There are 4 major blood groups: A, B, O and AB.

These four groups are then divided in two: more precisely, we will speak of Rhesus-positive or Rhesus-negative. We speak of rhesus positive if the presence of an Rh antigen is found in the blood and vice versa.

Of the 8 blood groups, the universal donor group is O-negative (0-) and the universal recipient blood group AB-positive (AB+). The most common blood group is 0-positive (0+) and AB-negative (AB-) blood group is the rarest.

During pregnancy, doing a blood group test is essential, because if the child has a positive Rhesus as opposed to the mother’s negative Rhesus, complications can arise. But detected in time, the doctor will recommend the appropriate treatment. It may be wise to subscribe to a mutual pregnancy to reduce the cost of any additional investigations.

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