Why can't children get blood transfusions from their biological parents?

I'm not a biology teacher. We don't have an volunteer biology teachers on Jiskha. From what I can find out, there are specific circumstances under which parents cannot donate blood to their children, but I don't know what they are. Generally, relatives may donate. Pay special attention to your text materials. They may explain those circumstances where parents should not donate to their children. "Google" your question into your search engine and see what you can find.

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Follow prompts, then type your question into the appropriate box and see what you can find.

Basically, what I found was advice that parents and children should have their blood "matched" by a laboratory before donating. Attending physicians will advise.

For example, if AB and OO type parents have children, the children will only be BO or AO.

Children generally cannot receive blood transfusions directly from their biological parents due to compatibility issues. When it comes to blood transfusions, compatibility is crucial to ensure the recipient's safety and minimize the risk of adverse reactions.

In order to understand compatibility, we need to know about blood types and the immune system. Human blood is classified into different types based on the presence or absence of certain molecules called antigens on the surface of red blood cells. The two most important blood classification systems are the ABO system (which includes blood types A, B, AB, and O), and the Rh system (which includes positive and negative Rh factors).

When a person receives a blood transfusion, their immune system can recognize the new blood as foreign if it contains antigens that do not match their own blood type. In response, the immune system can produce antibodies that attack and destroy the transfused blood cells, leading to potentially severe reactions.

Biological parents may have different blood types than their children, which can make direct transfusions risky. For example:

1. ABO incompatibility: If a child has blood type A and the biological parent has blood type B, transfusing the parent's blood into the child could cause an immune response due to the mismatched A and B antigens.

2. Rh incompatibility: If a child is Rh-positive (has the Rh antigen) and the parent is Rh-negative (lacks the Rh antigen), the parent's blood may contain Rh antibodies that can harm the child's Rh-positive blood cells.

To ensure a safe blood transfusion, healthcare providers match the recipient's blood type with compatible donor blood obtained from a diverse pool of blood donors who are carefully screened for compatibility, including ABO and Rh factor.

In conclusion, children generally cannot receive blood transfusions directly from their biological parents due to potential blood type incompatibilities that can provoke immune responses. Matching blood types and ensuring compatibility with unrelated donors is considered standard practice to minimize risks associated with transfusions.