Only 9% of women used iodine supplements during pregnancy,
either as iodine or multivitamin tablets containing between 100 lg
and 200 lg of iodine each. Principally, women recruited in the latter
part of the study, because of the use of iodine supplements have
been promoted in this area since approximately 2006. Although
women, who both used iodine supplements and had a diet rich in
milk, had the median UIC above recommendations, iodine supplementation
alone was not effective for reaching these recommendations.