Yn ôl Rheoliadau Diogelu Iechyd (Cyfyngiadau Coronafeirws) (Rhif 5) (Cymru) 2020, rhaid adolygu’r cyfyngiadau coronafeirws bob tair wythnos. Cynhaliwyd yr adolygiad diweddaraf ar 11 Mawrth.
The Health Protection (Coronavirus Restrictions) (No. 5) (Wales) Regulations 2020 require a review of the coronavirus restrictions is undertaken every three weeks.  The most recent review was completed on 11 March.