We appreciate Leung et al’s comments and agree with their recommendations concerning pregnant women and the potential for toxicity. Measurement of an individual’s urinary iodide appears in some older recommendations,1 with the warning that it measures only recent intake, as Leung et al point out. It is more useful for community surveys.
Conflict of Interest:
- 1.↵World Health Organization, United Nations Children’s Fund, International Council for the Control of Iodine Deficiency Disorders. Assessment of Iodine Deficiency Disorders and Monitoring Their Elimination: A Guide for Programme Managers (WHO/NHD/01.1). Geneva, Switzerland: World Health Organization, 2001
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