By age 3, however, children who have not met developmental milestones may need to be screened for language delays or disorders.
Early intervention is crucial.
At children's routine checkups from infancy through preschool years, health care professionals can watch for language development delays. Within the normal range, IQ is moderately associated with future reading ability. But severe cognitive deficits are usually associated with very low, if any, reading achievement. It has been well documented that children with hearing impairments are at risk of future reading difficulties. Early language impairment.