Endocrine Abstracts

Background: Congenital hypothyroidism (CH) is one of the most common preventable causes of mental retardation and intellectual disability. The overall incidence of CH ranges from 1 in 3,000 to 1 in 4,000 live births, with variation worldwide among different ethnicity [1]. During the period 1993–2000 the incidence of CH in Lithuanian population was estimated as 1 in 4800 live births [2]. The aim of present study was to determine the incidence of CH among new-borns in Lithu...