Intelligence Quotient, Anxiety, and Depression in Congenital Hypothyroid Children at School Age.

Background: Many studies who evaluated the outcome of the congenital hypothyroidism (CH) screening reported some intellectual and behavioral deficit despite early diagnose and treatment. The aim of the present study was to compare the intellectual and behavioral adjustment of CH children with controls.

Methods: This study was conducted among a group of 135 children aged 8--12 years in Isfahan, including transient and permanent congenital hypothyroidism (TCH and PCH) and a matched group of their classmate.