Bone marrow donation
A bone marrow donation is a relatively straightforward medical procedure. Diseased or damaged bone marrow can be replaced by donated bone marrow cells, which help treat and often cure many life-threatening conditions
Bone marrow transplants are required when a persons bone marrow becomes damaged or diseased to such an extent that it stops functioning properly
Bone marrow donors must have a tissue type that is compatible with the person who is going to receive their bone marrow. If a suitable bone marrow donor cannot be found from family members, doctors will try to find someone with a compatible tissue type on the bone marrow donor register.
If you are on the bone marrow register and you are identified as a potential donor, you may be asked to provide a blood sample. If your tissue type matches the patient who requires bone marrow, you may be selected to donate.
If you would like to become a potential bone marrow donor, you must be 18 to 49 years of age, in good general health and over 7 stone 12 pounds (50kg) in weight
Bridie Burrell was diagnosed with acute lymphoblastic leukaemia during the Christmas school holidays in 2004. She had a bone marrow transplant the following year.