Citizens told us they struggled to get through to surgeries on busy phonelines, relying on what some called “potluck” or sheer persistence.
Dywedodd dinasyddion wrthym eu bod yn cael trafferth cysylltu â meddygfeydd ar linellau ffôn prysur, gan ddibynnu ar yr hyn yr oedd rhai'n ei alw'n "lwc" neu ddyfalbarhad.