Около 20% детей по мере взросления

Около 20% детей по мере взросления демонстрируют прогресс в учебе и в социальной сфере, несмотря на значительное отставание в речевом развитии.

Результаты (английский) 1:

About 20% of children as they grow older, demonstrate progress in education and in the social sphere, despite the considerable delay in speech development.

Результаты (английский) 2:

About 20% of children as they grow older show progress in their studies and in the social sphere, despite the significant speech retardation.

Результаты (английский) 3:

20 per cent of the children to the extent maturation demonstrate progress in their learning and in the social sphere, in spite of a considerable backlog in voice development.