The Welsh Government would like to link and match your anonymised data to other anonymised information about you which is available to the Welsh Government, the NHS or other public organisations.
Hoffai Llywodraeth Cymru gysylltu a pharu eich data dienw â gwybodaeth ddienw arall amdanoch sydd ar gael i Lywodraeth Cymru, y Gwasanaeth Iechyd Gwladol (y GIG) neu sefydliadau cyhoeddus eraill.