There are difficulties in sharing data within health boards as information about unpaid carers is stored across several codes in the health board IT systems, so unpicking that is a big challenge.
Ceir anawsterau o ran rhannu data o fewn byrddau iechyd wrth i wybodaeth am ofalwyr di-dâl gael ei storio ar draws sawl cod yn systemau TG y byrddau iechyd, felly mae datod pwythau hynny yn her fawr.