Public Health Nutrition · 14 authors, 3 centres
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A 2017 cross-sectional study evaluated iodine nutrition in Polish populations using urinary iodine concentration and serum thyroglobulin. The results showed that mandatory salt iodisation provided adequate iodine for school children but failed to ensure sufficient iodine for pregnant and lactating women.
This cross-sectional study assessed iodine nutrition in 300 pregnant women, 100 lactating women, and 1000 school children across five Polish regions in 2017, using urinary iodine concentration (UIC) for all and serum thyroglobulin for the adult women. A notable limitation was the use of serum rather than dried blood spot thyroglobulin without established reference ranges. The study concludes that while Poland's mandatory salt iodisation has successfully maintained adequate iodine levels in the general child population, it is insufficient for pregnant and lactating women, suggesting a need for diversified dietary iodine sources and ongoing monitoring.
