For those children where information was available, 92% were up to date with health surveillance checks on 31 March 2022; this proportion has increased from 80% in 2017.
Ar gyfer y plant hynny lle roedd gwybodaeth ar gael, roedd gwiriadau gwyliadwriaeth iechyd 92% ohonynt yn gyfredol ar 31 Mawrth 2022; mae'r gyfran hon wedi cynyddu o 80% yn 2017.