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Congenital Hypothyroidism Caused by Excess Prenatal Maternal Iodine ingestion

Overview
Journal J Pediatr
Specialty Pediatrics
Date 2012 Jul 31
PMID 22841183
Citations 47
Authors
Kara J Connelly
Bruce A Boston
Elizabeth N Pearce
David Sesser
David Snyder
Lewis E Braverman
Sam Pino
Stephen H LaFranchi
Affiliations
Soon will be listed here.
Abstract

We report the cases of 3 infants with congenital hypothyroidism detected with the use of our newborn screening program, with evidence supporting excess maternal iodine ingestion (12.5 mg/d) as the etiology. Levels of whole blood iodine extracted from their newborn screening specimens were 10 times above mean control levels. Excess iodine ingestion from nutritional supplements is often unrecognized.

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