Neonatal thyroid function: effect of a single exposure to iodinated contrast medium in utero.

Purpose: To evaluate the effect of in utero exposure to a single dose of water-soluble intravenous iodinated contrast medium on thyroid function at birth.

Materials And Methods: This study was approved by the institutional review board, with waiver of consent, and was HIPAA compliant. Maternal and newborn records were retrospectively reviewed.