ESPE Abstracts

Introduction: Congenital hypothyroidism (CH) is the most common congenital endocrine disorder in childhood and is one of the most common preventable causes of mental retardation. Thyroid hormones (TH) are essential for normal development of auditory system. Deficiency of TH during fetal and early postnatal sensitive periods of ear development, results in various degree of congenital hearing impairments or even in deafness if TH substitution is not instituted within a critical ...