Fetal iodine syndrome

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Fetal iodine syndrome refers to symptoms and signs that may be observed in a fetus or newborn when the mother was exposed during pregnancy to inappropriate (insufficient or excessive) amounts of iodine. Iodine deficiency is associated with goiter and hypothyroidism. When severe iodine deficiency occurs during pregnancy it is associated with congenital hypothyroidism that is manifested by increased neonatal morbi-mortality and severe mental dysfunction hyperactivity attention disorders and a substantial decrease of IQ of an irreversible nature. Excessive iodine ingestion during the third trimester of pregnancy can result in hypothyroidism and fetal goiter due to a prolonged inhibition of thyroid hormone synthesis an increase in thyrotropin (TSH).

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version June 2024

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