Iodine intake during pregnancy: Effects on thyroid function in mother and child

Rodríguez, Marta Suárez; Azcona, Cristina; Aguilar, Valentín Alzina de

doi:10.1016/j.endoen.2013.01.013

Cited by 1 publication

(1 citation statement)

References 17 publications

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“…Pregnant women in the United Kingdom and in some Spanish studies had intake greater than in the EFSA recommendations. However, for both the UK and Spanish studies, the data show that intake was only above recommendations if supplements were included in the estimate 84 , 88 , 89 ; diet alone resulted in intake below EFSA values ( Table S5 in the Supporting Information online). Iodine intake was below EFSA pregnancy recommendations in the 8 other studies ( Figure 5 ).…”

Section: Resultsmentioning

confidence: 98%

A systematic review of iodine intake in children, adults, and pregnant women in Europe—comparison against dietary recommendations and evaluation of dietary iodine sources

et al. 2022

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Context Adequate iodine intake is essential throughout life. Key dietary sources are iodized salt and animal products, but dietary patterns in Europe are changing, for example toward lower salt intake and a more plant-based diet. Objective To review iodine intake (not status) in European populations (adults, children, and pregnant women) to identify at-risk groups and dietary sources. Data sources PubMed, Embase, and Cochrane databases, as well as European national nutrition surveys were searched for data on had iodine intake (from dietary assessment) and sources of iodine, collected after 2006. Data selection In total, 57 studies were included, comprising 22 national surveys and 35 sub-national studies. Iodine intake data were available from national surveys of children aged <10 years (n = 11), 11–17 years (n = 12), and adults (n = 15), but data from pregnancy were only available from sub-national studies. Results Iodine intake data are lacking—only 17 of 45 (38%) European countries had iodine-intake data from national surveys. Iodine intake reported from national surveys was below recommendations for: (1) children aged <10 years in 2 surveys (18%), (2) boys and girls aged 11–17 years in 6 (50%) and 8 (68%) surveys, respectively, and (3) adult men and women in 7 (47%) and 12 (80%) surveys, respectively. In pregnant women, intake was below recommendations except where women were taking iodine-containing supplements. Just 32% of national surveys (n = 7) included iodized salt when estimating iodine intake. Milk, dairy products, fish, and eggs were important contributors to intake in many countries, suggesting limited sources in plant-based diets. Conclusion Results are limited by the challenges of dietary assessment for measuring iodine intake. Future national surveys should include iodine intake. Policy makers should consider dietary sources alongside any iodized salt policies when considering methods for improving population iodine intake. Systematic Review Registration PROSPERO 2017 CRD42017075422.

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Section: Resultsmentioning

confidence: 98%