At the start of the pandemic, the majority of appointments and treatments were postponed to enable the NHS to focus on caring for the large number of people with Covid-19.
Ar ddechrau'r pandemig, gohiriwyd y rhan fwyaf o apwyntiadau a thriniaethau er mwyn galluogi'r GIG i ganolbwyntio ar ofalu am y nifer fawr o bobl oedd â Covid-19.