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The International Council for the Control of Iodine Deficiency Disorders is a non-profit, non-government organization for the sustainable elimination of iodine deficiency and the promotion of optimal iodine nutrition worldwide.

 
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Iodized salt makes a difference in Spain
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Historically, the Spanish Catalonian seacoast has achieved iodine sufficiency, but the mountains of the Pyrenees have been iodine deficient.  A new study of pregnant women in the two regions confirms, however, that use of iodized salt has made the mountainous population iodine sufficient while expectant mothers along the seacoast are only marginally sufficient.  The study appeared online in ScienceDirect.  

The authors conclude:

Results

The median UI in the first trimester was 163 μg/L for the entire cohort, with differences between mountain and coastal regions (209 versus 142 μg/L, P = 0.007). The highest prevalence of iodized salt consumption was in the mountain area (58% versus 36.4%, P < 0.001). For the entire group, a higher median UI was found in iodized salt consumers compared with non-consumers (193 versus 134 μg/L, P < 0.001). In the third trimester, an increase of median UI was seen in those to whom iodine supplements were given during pregnancy (190 versus 154 μg/L, P = 0.015).

Conclusion

A reversal in the historically iodine-deficient situation was observed in the Catalan Pyrenees compared with the coastal area, with a globally acceptable iodine status in pregnant women of the two geographic locations. Iodized salt consumption seems to have contributed to maintaining an acceptable iodine status in this population.

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