Neonatal Hypopituitary Hypothyroidism Associated with Maternal Thyrotoxicosis

Scott H. Mandel, Cheryl E. Hanna, Stephen H. LaFranchi

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Hypopituitary hypothyroidism was found in an infant born to a mother with inadequately treated thyrotoxicosis. The infant had low thyroxine (T4), low free T4, and diminished thyroid-stimulating hormone (TSH) levels with a blunted response to thyrotropin-releasing hormone (TRH) stimulation until 6 weeks of age when thyroid hormone replacement was started. Excess fetal thyroid hormone may have caused an alteration in TSH secretory dynamics leading to the development of neonatal hypopituitary hypothyroidism.

Original languageEnglish (US)
Pages (from-to)189-192
Number of pages4
JournalJournal of Pediatric Endocrinology and Metabolism
Volume3
Issue number3
DOIs
StatePublished - Jul 1989

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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