Primary care services, predominantly primary medical and primary dental care, are often provided under contracts, which do not have a fixed end date, and so run until terminated.
Caiff cymorth ei ddarparu ar sail ‘y cyntaf i’r felin’, gan mwyaf, ac mae dysgwyr yn aml yn wynebu rhestrau aros hir am gymorth arbenigol, fel darpariaeth cwnsela fewnol neu allanol.