Iodine deficiency

A lack of iodine in the diet.


Iodine deficiency is a lack of iodine in the diet.

Iodine deficiency can cause enlargement of the butterfly-shaped gland in the neck (thyroid) or an underactive thyroid. During pregnancy, the condition can be harmful to a growing baby's mental development.


Treatment includes iodine supplements. Complications require additional treatment.

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