Why donate bone marrow or blood stem cells?You might choose to donate bone marrow or peripheral blood stem cells because you know someone who needs either for a transplant. For example, some people donate because a doctor thinks that person could be a match for a family member.
When you sign up to donate bone marrow or peripheral blood stem cells, you join a national registry of people who have agreed they’re willing to donate bone marrow. Whether you receive a call to donate depends on whether you’re ever a match for a person who needs your bone marrow.
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