Congenital Hypothyroidism (An Overview to Incidence, Etiology, Risk Factors and Outcomes)

Congenital hypothyroidism is the most common preventable cause of mental retardation in children. Performing an overview can enhance our ability to solve it. We aim to publish an overview of 4 published articles. According to results, the increasing trend in the prevalence of congenital hypothyroidism in IRAN was the same as other developing and developed countries. The prevalence of transient hypothyroidism was higher than permanent one, which was inconsistent with Nelson textbook. Also, Prematurity and postdate were indicated as Risk factors and Growth and development in hypothyroid patients was similar with normal children. Introduction