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A rare congenital hypothyroidism disorder with characteristics of transient primary fetal or neonatal hypothyroidism resulting from transplacental transfer of antithyroid drugs due to maternal intake. Patients may present fetal or neonatal goiter, hoarse cry, reduced tendon reflexes, feeding difficulty, constipation, prolonged jaundice and/or respiratory distress. Elevated levels of T4 and thyroid stimulating hormone usually normalize without treatment within 3 weeks of birth.
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A rare congenital hypothyroidism disorder with characteristics of transient primary fetal or neonatal hypothyroidism resulting from transplacental transfer of antithyroid drugs due to maternal intake. Patients may present fetal or neonatal goitre, hoarse cry, reduced tendon reflexes, feeding difficulty, constipation, prolonged jaundice and/or respiratory distress. Elevated levels of T4 and thyroid stimulating hormone usually normalise without treatment within 3 weeks of birth.
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