As someone who used to work in paediatric oncology, I thought I'd comment...
Current technology surrounding the use of cord blood means that it is not able to be used for the child that donated it. It does have potential uses for your other children, though.
By far the most common use for cord blood is to re-create the bone marrow system after a bone marrow transplant. Bone marrow translpants can occur for a number of reasons. Some leukaemias have to be treated with a bone marrow transplant because the leukaemia (which grows in the bone marrow) cannot be treated without destroying the rest of the marrow. In such a case, you need a new source of what are called stem cells or immature cells which can develop into bone marrow. Cord blood is a fantatic source of stem cells, and cord blood from a genetically matched and related donor has the lowest chance of causing serious side effects. Bone marrow transplants can also be used to treat a variety of other genetic disorders.
New technologies in the future might make stem cells from cord blood useful for the child who donated it. Future technologies which might use cord blood for the child's own benefit include manufacturing new tissues or organs that are a perfect genetic match to the individual, although new technology seems to indicate that such technology can be grown from adult cells.
So, donated cord blood can be useful fro other children on the family, and if donated through the Australian Red Cross Blood service, can possibly be of use to other children looking for a donor for a bone marrow transplant, but as current technology stands, is unlikely to be of use to the child who donated it.


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