However, it is disappointing the number of long waits for referral to treatment has increased for the fourth month, despite previously falling for 24 consecutive months.
Fodd bynnag, mae'n siomedig bod nifer yr arosiadau hir ar gyfer atgyfeirio cleifion at driniaeth wedi cynyddu am y pedwerydd mis, er gwaethaf gostyngiad blaenorol am 24 mis yn olynol.