The LHB is responsible for current and retrospective review cases, they should have an appointed person you can contact about this, contact them to find out who this is.
Y Bwrdd Iechyd Lleol sy'n gyfrifol am gynnal achosion adolygu cyfredol ac ôl-weithredol, dylai bod ganddynt unigolyn penodedig i gysylltu â nhw am hyn, cysylltwch â nhw i gael gwybod pwy.