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Abstract
Aim of this work is To evaluate efficacy of neonatal screening for congenital hypothyroidism by measuring thyroid hormones, and efficacy of early management of patients.
Thyroid hormone is essential for the growth and maturation of many target tissues, including the brain and skeleton.
The critical period for central nervous system (CNS) to be dependent on
Thyroid hormone is known to extent from the fetal life until at least the first 2 years after birth.