Mae Rheoliadau Diogelu Iechyd (Cyfyngiadau Coronafeirws) (Rhif 5) (Cymru) 2020 yn ei gwneud yn ofynnol i gynnal adolygiad o'r mesurau coronafeirws bob tair wythnos. Roedd yr adolygiad tair wythnos diweddaraf i fod i gael ei gynnal erbyn 3 Mawrth.
The Health Protection (Coronavirus Restrictions) (No. 5) (Wales) Regulations 2020 require a review of the coronavirus measures to be undertaken every three weeks. The most recent three-week review was due to be completed by 3 March.