This has meant that many children now find themselves in several contact groups, across school, childcare and any extra activities they undertake.
Mae hyn wedi golygu bod llawer o blant bellach yn cael eu hunain mewn sawl grŵp cyswllt, ar draws yr ysgol, gofal plant ac unrhyw weithgareddau ychwanegol y maent yn eu cyflawni.