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What is The sensitive indicator for assessment of Iodine deficiency is and explain in detail?
Epidemiological assessment of Iodine deficiency Prevalence of goiterPrevalence of cretinism Urinary iodine excretion Measurement of thyroid function by determination of serum levels of thyroxine (T4) and pituitary thyrotropic hormone (TSH)Prevalence of neonatal hypothyroidism Neonatal hypothyroidism is a sensitive indicator of environmental iodine deficiency Serum T4 level is a more sensitive indicator of thyroid insufficiency than T3(Refer: K. Park's Textbook of Preventive and Social medicine, 24th edition, pg no: 662, 663, 681)