Speech therapy is usually the main treatment for language delays.

Mental retardation takes part for more than 50 percent of language delays.

Impaired hearing is one of the most common causes of language delay.

A child who can not hear speech in a clear and consistent manner will have a language delay.

Others have significant language delays, or severe learning disabilities and other problems.

The most commonly documented early developmental concern was language delay.

When parents bring language delays to the doctor's attention, the typical response is "Don't worry, he'll grow out of it."

Others are mentally retarded, mute, or have serious language delays.

Q. What is your approach to children with language delays?

"Both boys and girls benefit greatly from early detection of language delays," she said.