Somerset woman with ultra rare blood donates vital frozen units

Mar 21st 2026 · World

Mina Stoddart-Stones has an extremely rare U negative and N negative RO blood type that is frozen and reserved for exact‑match patients, and she says she feels honoured to help others.

  • Mina Stoddart-Stones, 26, from Bridgwater is one of nine UK donors with U negative and N negative blood.
  • Her blood also has the RO subtype and is stored at NHS Blood and Transplant’s National Frozen Blood Bank for up to 30 years.
  • NHSBT reserves rare units for patients who need exact matches, including those having operations or people with conditions like sickle cell disease.
  • Stoddart-Stones is on NHSBT’s UK rare donor panel, which contains about 1,200 people from roughly 800,000 donors.
  • She is also on the stem cell register and says she donates because of childhood illness and family experiences with cancer.