Yes, you can withdraw at any time. However, once a patient has started their preparation for a transplant, they rely entirely on their selected donor. At this stage, the patient’s own bone marrow has already been weakened or destroyed to make way for the transplant. If a donor withdraws after this point, it can put the patient’s life at serious risk.
For this reason, it is very important to be certain about your decision from the first call and before the patient begins preparation.
