a pre-statement pipeline is ongoing in relation to a child (a pre-statement pipeline is where a child does not have a statement but is trying to get a statement)
mae achos cyn ddatganiad ar y gweill mewn perthynas â phlentyn (ystyr achos cyn ddatganiad ar y gweill yw pan na fo gan blentyn ddatganiad ond mae’n ceisio cael datganiad)