Different guidance applying to different parts of the UK and, more recently, to different areas within a region, has compounded initial confusion and led to stress and anxiety.
Mae canllawiau gwahanol ar gyfer rhannau gwahanol o’r DU ac, yn fwy diweddar, i ardaloedd gwahanol mewn rhanbarth, wedi gwaethygu’r dryswch cychwynnol ac wedi arwain at straen a phryder.