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What is the likelihood of finding a match?

A patient’s likelihood of finding a donor match on Be The Match Registry® ranges from 66% to 97%, depending on race and ethnicity. Because the markers used in matching are inherited, patients are most likely to match someone from their own ancestry.

Many people have very complex HLA tissue types, due to human migration over time. This is especially true for individuals of diverse racial and ethnic heritage. In some cases, more registry members representing these diverse backgrounds will increase the likelihood of a patient finding a matching donor. Adding donors and cord blood units from diverse racial and ethnic backgrounds remains an important focus for Be The Match®.

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How donors and patients are matched

Learn more about how donors and patients are matched and what may affect matching.

Why race and ethnicity matter

Race and ethnicity are important factors in finding a good match. Read more to find out why.

Why a donor’s age matters

Doctors will consider many factors when choosing the best donor for a patient -- including a donor’s age. Learn why age matters.

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