Cretinism Etiology t low iodide intake and endemic goiter t Ectopic thyroid gland TSH-Rab block from mother t Inherited defects in thyroid hormone t lodide, antithyroid drugs, radioactive iodine symptoms Respiratory difficulty CⅤ anosis +Jaundice Poor feedingCretinism Etiology  Low iodide intake and endemic goiter  Ectopic thyroid gland  TSH-R Ab[block] from mother  Inherited defects in thyroid hormone  Iodide,antithyroid drugs,radioactive iodine Symptoms  Respiratory difficulty  Cyanosis  Jaundice  Poor feeding