A member asked:

What is the technical definition of pdd-nos (pervasive developmental disorder)?

A doctor has provided 1 answer
Dr. Patricia Harkins answered

Specializes in Developmental and Behavioral Pediatrics

PDD: Pdd means pervasive developmental disorder. It is no longer in use in the usa. It is part of the autism spectrum disorder, and should be referred to as an autism spectrum disorder. It is usually a less severe form than classic autism.

Answered 2/24/2014

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