Reproductive endocrinology: Iodine intake in pregnancy--even a little excess is too much
- PMID: 25707780
- PMCID: PMC4590285
- DOI: 10.1038/nrendo.2015.28
Reproductive endocrinology: Iodine intake in pregnancy--even a little excess is too much
Abstract
Several studies have linked maternal iodine deficiency during pregnancy with adverse neurodevelopmental outcomes in offspring. A new study warns that excessive iodine exposure might also be detrimental to maternal thyroid health and recommends a lower limit for maternal iodine intake during pregnancy than that currently advised by the WHO.
Comment on
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Optimal and safe upper limits of iodine intake for early pregnancy in iodine-sufficient regions: a cross-sectional study of 7190 pregnant women in China.J Clin Endocrinol Metab. 2015 Apr;100(4):1630-8. doi: 10.1210/jc.2014-3704. Epub 2015 Jan 28. J Clin Endocrinol Metab. 2015. PMID: 25629356
References
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- Bath SC, Steer CD, Golding J, Emmett P, Rayman MP. Effect of inadequate iodine status in UK pregnant women on cognitive outcomes in their children: results from the Avon Longitudinal Study of Parents and Children (ALSPAC) Lancet. 2013;382:331–337. - PubMed
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- Shi X, et al. Optimal and safe upper limits of iodine intake for early pregnancy in iodine-sufficient regions: a cross-sectional study of 7,190 pregnant women in China. J. Clin. Endocrinol. Metab. http://dx.doi.org/10.1210/jc.2014-3704. - DOI - PubMed
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- König F, Andersson M, Hotz K, Aeberli I, Zimmermann MB. Ten repeat collections for urinary iodine from spot samples or 24-hour samples are needed to reliably estimate individual iodine status in women. J. Nutr. 2011;141:2049–2054. - PubMed
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