Congenital hypothyroidism: the clinical profile of affected newborns identified by the Newborn Screening Program of the State of Minas Gerais, Brazil

To evaluate the clinical profile of newborns with congenital hypothyroidism identified by the Newborn Screening Program of the State of Minas Gerais, Brazil, between 2000 and 2006.Analysis of factors involved in this profile, including: TSH and FT4 levels (determined by chemiluminescence, with limits of normality set at 0.3-5.0 microUI/mL and 0.8-1.8 ng/dL, respectively), age at diagnosis and age at treatment. The study sample consisted of 443...