The NCCHD is maintained by NHS Wales Information Service (NWIS) and is comprised of extracted records of all health board Child Health office database across Wales.
Mae’r Gronfa yn cael ei chynnal gan Wasanaeth Gwybodaeth GIG Cymru ac mae’n cynnwys cofnodion wedi eu hechdynnu o gronfa ddata swyddfeydd Iechyd Plant yr holl fyrddau iechyd ledled Cymru.