Congenital hypothyroidism caused by excess prenatal maternal iodine ingestion

Kara J. Connelly, Bruce A. Boston, Elizabeth N. Pearce, David Sesser, David Snyder, Lewis E. Braverman, Sam Pino, Stephen H. Lafranchi

Research output: Contribution to journalArticlepeer-review

74 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)760-762
Number of pages3
JournalJournal of Pediatrics
Volume161
Issue number4
DOIs
StatePublished - Oct 2012

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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