12th August 2020

A 4-year-old boy is brought to his GP because his parents are concerned that he is slower and clumsier than his peers at nursery

A 4-year-old boy is brought to his GP because his parents are concerned that he is slower and clumsier than his peers at nursery. On further questioning, his parents say that he didn’t start walking until he was 18 months old, and his speech was significantly delayed. They are also concerned that he doesn’t seem to climb stairs correctly, preferring to pull himself up with his arms. He seems to be slow at learning new things and is intellectually behind his peers. He was born at term, and there were no problems during the birth. His Guthrie test shortly after birth was normal. Which of the following is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.