Mae Llywodraeth y DU wedi cyhoeddi canllawiau ar gyfergyd i wella diogelwch a lles cyfranogwyr mewn chwaraeon ar lawr gwlad ledled y DU.  Mae'r canllawiau wedi cael sêl bendith y Gweinyddiaethau Datganoledig a chynghorau chwaraeon y famwlad.  Maen nhw ar gael ar wefannauCynghrair Chwaraeon a HamddenaChwaraeon Cymru.
The UK Government has published guidelines on concussion to improve the safety and wellbeing of participants in grassroots sport across the UK.  The guidelines have been endorsed by the Devolved Administrations and the home country sports councils.  They are available on theSport and Recreation AllianceandSport Waleswebsites.