Transient Hypothyroidism Premature Maternal medications (propylthiouracil, methimazol Maternal antibody lodine deficiency hypothyroidism in iodine deficiency areaTransient Hypothyroidism • Premature • Maternal medications (propylthiouracil,methimazol) • Maternal antibody • Iodine deficiency hypothyroidism in iodine deficiency area