Transient versus permanent congenital hypothyroidism after age 3 years in infants detected by the first vs. second newborn screening test in Oregon

摘要

Background/AimsThe newborn screening program in Oregon collects two routine specimens in all infants. The aim of our study was to determine the incidence of permanent vs. transient congenital hypothyroidism (CH) in infants detected on the first vs. the second screening test.