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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Possible causes of speech delays include:

  • mental retardation
  • deafness
  • cerebral palsy
  • social deprivation can cause significant speech delays
  • maturation delay (developmental language delay) (2)
  • expressive language disorder (developmental expressive aphasia) (2)
  • prematurity(1)
  • elective mutism
  • infantile autism
  • degenerative central nervous system disease
  • receptive aphasia(2)
  • bilingualism (2)


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