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Adalsteinsdottir S, Tryggvadottir EA, Hrolfsdottir L, et al. Insufficient iodine status in pregnant women as a consequence of dietary changes. Food Nutr Res. 2020;64doi: 10.29219/fnr.v64.3653.
Adalsteinsdottir, S., Tryggvadottir, E. A., Hrolfsdottir, L., Halldorsson, T. I., Birgisdottir, B. E., Hreidarsdottir, I. T., Hardardottir, H., Arohonka, P., Erlund, I., & Gunnarsdottir, I. (2020). Insufficient iodine status in pregnant women as a consequence of dietary changes. Food & nutrition research, 64. https://doi.org/10.29219/fnr.v64.3653
Adalsteinsdottir, Solveig, et al. "Insufficient iodine status in pregnant women as a consequence of dietary changes." Food & nutrition research vol. 64 (2020). doi: https://doi.org/10.29219/fnr.v64.3653
Adalsteinsdottir S, Tryggvadottir EA, Hrolfsdottir L, Halldorsson TI, Birgisdottir BE, Hreidarsdottir IT, Hardardottir H, Arohonka P, Erlund I, Gunnarsdottir I. Insufficient iodine status in pregnant women as a consequence of dietary changes. Food Nutr Res. 2020 Jan 06;64. doi: 10.29219/fnr.v64.3653. eCollection 2020. PMID: 31983913; PMCID: PMC6958617.
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Food Nutr Res. 2020 Jan 06;64. doi: 10.29219/fnr.v64.3653. eCollection 2020.

Insufficient iodine status in pregnant women as a consequence of dietary changes.

Food & nutrition research

Solveig Adalsteinsdottir, Ellen Alma Tryggvadottir, Laufey Hrolfsdottir, Thorhallur I Halldorsson, Bryndis Eva Birgisdottir, Ingibjorg Th Hreidarsdottir, Hildur Hardardottir, Petra Arohonka, Iris Erlund, Ingibjorg Gunnarsdottir

Affiliations

  1. Unit for Nutrition Research, Landspitali University Hospital and Faculty of Food Science and Nutrition, University of Iceland, Reykjavik, Iceland.
  2. Institution of Health Science Research, University of Akureyri and Akureyri Hospital, Akureyri, Iceland.
  3. Centre for Fetal Programming, Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.
  4. Department of Obstetrics and Gynecology, Landspitali University Hospital, Reykjavík, Iceland.
  5. Faculty of Medicine, University of Iceland Reykjavík, Iceland.
  6. Forensic Toxicology Unit, National Institute for Health and Welfare, Helsinki, Finland.

PMID: 31983913 PMCID: PMC6958617 DOI: 10.29219/fnr.v64.3653

Abstract

BACKGROUND: Historically, Iceland has been an iodine-sufficient nation due to notably high fish and milk consumption. Recent data suggest that the intake of these important dietary sources of iodine has decreased considerably.

OBJECTIVE: To evaluate the iodine status of pregnant women in Iceland and to determine dietary factors associated with risk for deficiency.

METHODS: Subjects were women (

RESULTS: The median UIC (95% confidence interval (CI)) and I/Cr of the study population was 89 μg/L (42, 141) and 100 (94, 108) μg/g, respectively. UIC increased with higher frequency of dairy intake, ranging from median UIC of 55 (35, 79) μg/L for women consuming dairy products <1 time per week to 124 (98, 151) μg/L in the group consuming dairy >2 times per day (

CONCLUSION: For the first time, insufficient iodine status is being observed in an Icelandic population. There is an urgent need for a public health action aiming at improving iodine status of women of childbearing age in Iceland.

© 2020 Solveig Adalsteinsdottir et al.

Keywords: Iodine; dairy; fish; pregnancy; supplements

Conflict of interest statement

The authors report no conflicts of interest. The authors have not received any funding or benefits from industry or elsewhere to conduct this study.

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