unable to speak

A baby's words begin with the babbling of "Abubu". In addition, it is said that the mother and child imitate the babbling and mutually imitate each other. ]). From around 9 months old, babies start to say mama, but there are individual differences, and in some cases they start speaking around 2 years old.

However, if it is difficult to start speaking, there may be muscle weakness in the whole body, difficulty in moving the muscles of the mouth, or difficulty in pronouncing consonants. until you speak", but recently it has been found that teaching concrete pronunciation leads to speaking. There are many children who have become able to speak with the "Surasura Kotoba" app.