Thyroid hormone-clinical pplication o Cretinism The hypofunction begin in fetus or infants, therapy is instituted within the first few weeks of Iife, normal physIcal and mental development is almost always achieved o Myxedema Generally take thyroid tablet, from low does gradually increase to the full doesThyroid hormone—clinical application Cretinism The hypofunction begin in fetus or infants, therapy is instituted within the first few weeks of life , normal physical and mental development is almost always achieved Myxedema Generally take thyroid tablet, from low does gradually increase to the full does