This report illustrates a case of central hypothyroidism in a newborn immediately after birth caused by maternal Graves' disease. Infants from mothers with Graves' disease require careful examination without waiting for neonatal screening results, even though the mother's thyroid function is normal at birth or the newborn does not have goiter.
Keywords: Wolff–Chaikoff effect; central hypothyroidism; congenital hypothyroidism; maternal Graves' disease.
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