Pregnant women with vitamin D deficiency plus excess iodine have a higher risk of thyroid dysfunction in the first trimester, according to a newly published study involving 4280 women.
Mandatory iodisation of table salt in Turkey has helped iodine deficiency in school children, but pregnant women still require a boost from supplements, according to researchers.
Excessive iodine intake may cause thyroid disease in lactating women and should be monitored as closely as deficiency, Chinese research of 343 women has said.
Recent media coverage about historical iodine levels in organic milk (according to Dairy UK, feed is now supplemented) was a reminder that milk and dairy foods provide about 40% of dietary iodine, another major source is seafood.
The EU’s central science agency has proposed an adequate intake (AI) level of 150 micrograms (µg) for adults in a draft opinion published today and open to public consultation.
The levels of iodine provided by fortified breads is not enough to provide for the requirements of pregnant women and their developing babies, according to new research which recommends the additional use of supplements.
Over supplementation with iodine during pregnancy could lead to the development of congenital hypothyroidism in newborns, according new clinical case data.
A common European Union policy which requires the food industry to use iodised salt is needed to tackle the issue of deficiencies, say authors of a study that found 44% of Europeans are deficient in the nutrient.
The UK population may now be iodine-deficient, warranting a full review and evidence-based recommendations to safeguard public health, according to new research.
