Yn 2016-17, roedd 21 o achosion yng Nghymru lle'r oedd teuluoedd naill ai wedi mynd yn groes i benderfyniad eu perthynas i roi organau, neu wedi gwrthod cefnogi'r cydsyniad tybiedig. O ystyried y cafwyd 3.1 o organau ar gyfartaledd fesul rhoddwr yng Nghymru, gallai hynny fod wedi golygu cynifer â 65 o drawsblaniadau ychwanegol.
In 2016-17, there were 21 cases in Wales where families either overrode their relatives’ decisions to donate organs, or didn’t support the deemed consent. With an average of 3.1 organs retrieved per donor in Wales, this could have resulted in as many as 65 additional transplants.