Stem cells produce red blood cells, white blood cells, and platelets. In some cases, stem cells in your bone marrow may not be functioning well or need to be destroyed to help treat a disease. If this happens, you will need new stem cells.

It may take about a month for the donor stem cells in the bone marrow to begin to function fully. If the transplant is successful, new bone marrow cells will produce healthy red blood cells, white blood cells, and platelets.

Stem cell transplantation may be done using:

  • Stem cells that were taken from your own bone marrow or blood and stored
  • Stem cells from a donor's bone marrow or blood

Location of Active Bone Marrow in an Adult
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This procedure is done if the stem cells in your bone marrow are not functioning or are deficient. This may be caused by: