You take your child to the doctor, and after a battery of tests, questionnaires and assessments, the doctor comes up with a diagnosis of Pervasive Developmental Disorder. What exactly does that mean? Find out in this extensive resource page (including video) from the Discovery Health Channel.
http://health.howstuffworks.com/pregnancy-and-parenting/childhood-conditions/pervasive-developmental-disorder.htm
Print 
PDF
