Mae hefyd wedi annog pawb i helpu i leihau'r baich ar y NHS drwy ystyried gwasanaethau iechyd eraill yn lle mynd i'r ysbyty, oni bai bod angen gofal brys arnyn nhw.
She has also urged everyone to help reduce the burden on the NHS by using other healthcare services, instead of going to hospital, unless they need urgent care.