Incidence of Congenital Hypothyroidism in Samutsakhon Hospital

Abstract

Congenital hypothyroidism is very rare in practice. Congenital hypothyroidism is a condition of thyroid hormone deficiency in infants. Newborn with such condition can cause permanent mental retardation unless early diagnosis and treatment. The objective was to find out incidence of congenital hypothyroidism in Samutsakhon hospital. A retrospective descriptive study, which conducted in 29,139 infants during 1^st October 2004 to 30^th September 2009 in Samutsakhon hospital by screening for TSH level two days after birth. There were 146 infants (0.50%) who had TSH level more than 25 miliunit per litter and recalled for repeated serum TSH and T4. In confirmation, thirteen infants were diagnosed of congenital hypothyroidism and the incidence was 1 : 2,242 lived births.