Mae Gwaed a Thrawsblaniadau'r GIG wedi cyhoeddi gwaith ymchwil newydd sy’n dangos bod bron i draean o bobl ddu ac Asiaidd yng Nghymru yn ansicr ynghylch rhoi organau ar ôl iddynt farw ar gyfer trawsblaniadau sy'n gallu achub bywydau.
Almost a third of black and Asian people in Wales are unsure about donating their organs for lifesaving transplants after their death according to new research by NHS Blood and Transplant.