Ers lansiad y gwasanaeth EMRTS, mae yna nifer o ddatblygiadau allweddol o ran gwasanaethau clinigol yn GIG Cymru. Un o’r datblygiadau hynny yw lansio Rhwydwaith Trawma De Cymru ym mis Medi 2020. Lansiwyd y rhwydwaith er mwyn rhoi gofal i oedolion a phlant sy’n dioddef trawma mawr yn ne a gorllewin Cymru a de Powys. Roedd lansio’r rhwydwaith yn ddigwyddiad arwyddocaol ar gyfer y GIG yn ne a gorllewin Cymru. Hyd nes y llynedd, nid oedd gan yr ardaloedd hynny eu trefniadau trawma mawr eu hunain. Ar 6 Ionawr, rhoddais ddatganiad ynghylch y buddiannau cynnar sy’n dod i’r amlwg yn sgil Rhwydwaith Trawma De Cymru:
Since the EMRTS service launch, there have been a number of key clinical service developments in NHS Wales. This includes the launch of the South Wales Trauma network (SWTN) in September 2020.  The SWTN was launched to care for adults and children across South and West Wales and South Powys who had suffered a major trauma. The launch of the SWTN was a significant moment for the NHS in South and West Wales. Until last year, it did not have its own major trauma arrangements. I made a statement on 6 January about the early benefits that are being realised through the SWTN: