What is considered childhood developmental delay?

In young children: The term is used to describe lags in attaining developmental milestones in a child too young to have formal iq testing. If response to therapy shows development at a typical or accelerated rate, the child may catch up. If the child continues to develop at a slower rate & has cognitive function significantly below avg. On iq testing ~ age 6, the term intellectual disability is then used.

Slow milestones: Many books and brochures have expected milestones for children at specific ages. If your child is not meeting these expected milestones, there is concern. A thorough pediatric evaluation would be appropriate. Exact cause, outcome, and treatment should be discussed with your pediatrician.