Neonatal Screening for Congenital Hypothyroidism in The Netherlands: Cognitive and Motor Outcome at 10 Years of Age

Context: Patients with thyroidal congenital hypothyroidism (CH-T) born in The Netherlands in 1981–1982 showed persistent intellectual and motor deficits during childhood and adulthood, despite initiation of T4 supplementation at a median age of 28 d after birth. Objective: The present study exami…