However, the breadth of choices that developed because of the Measure has reduced in some parts of Wales in recent years, particularly where collaboration has declined.
Fodd bynnag, mae ehangder y dewisiadau a ddatblygodd o ganlyniad i’r Mesur wedi lleihau mewn rhai rhannau o Gymru yn y blynyddoedd diwethaf, yn enwedig lle mae cydweithio wedi gostwng.