Measures have already been taken across all health board areas to relieve pressure to ensure patients can continue to receive the care and treatment they need in a safe and timely manner.
Mae mesurau eisoes wedi’u cymryd ar draws pob bwrdd iechyd i leddfu’r pwysau, i sicrhau y gall cleifion barhau i gael y gofal a’r driniaeth sydd eu hangen arnyn nhw mewn ffordd ddiogel a phrydlon.