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Iodine deficiency is a lack of the trace element iodine, an essential nutrient in the diet.It may result in metabolic problems such as goiter, sometimes as an endemic goiter as well as congenital iodine deficiency syndrome due to untreated congenital hypothyroidism, which results in developmental delays and other health problems.
Hypothyroidism is common in pregnancy with an estimated prevalence of 2-3% and 0.3-0.5% for subclinical and overt hypothyroidism respectively. [8] Endemic iodine deficiency accounts for most hypothyroidism in pregnant women worldwide while chronic autoimmune thyroiditis is the most common cause of hypothyroidism in iodine sufficient parts of the world.
Iodine deficiency is the most common preventable cause of neonatal and childhood brain damage worldwide. [11] Although iodine is found in many foods, it is not universally present in all soils in adequate amounts. Most iodine, in iodide form, is in the oceans, where the iodide ions are reduced to elemental iodine, which then enters the ...
During pregnancy can result in cretinism in the baby [5] Usual onset > 60 years old [3] Causes: Iodine deficiency, Hashimoto's thyroiditis [3] Diagnostic method: Blood tests (thyroid-stimulating hormone, thyroxine) [3] Differential diagnosis: Depression, dementia, heart failure, chronic fatigue syndrome [6] Prevention: Salt iodization [7 ...
In areas where iodine-deficiency is not found, the most common type of hypothyroidism is an autoimmune subtype called Hashimoto's thyroiditis, with a prevalence of 1-2%. [40] As for hyperthyroidism, Graves' disease , another autoimmune condition, is the most common type with a prevalence of 0.5% in males and 3% in females. [ 41 ]
Complications in the mother and fetus can include pre-eclampsia, anemia, miscarriage, low birth weight, still birth, congestive heart failure, impaired neurointellectual development, and if severe, congenital iodine deficiency syndrome. [38] [40] This complication is treated by iodine supplementation, levothyroxine which is a form of thyroid ...
The word "cretinism" is an old term for the state of mental and physical retardation resulting from untreated congenital hypothyroidism, usually due to iodine deficiency from birth because of low iodine levels in the soil and local food sources. The term, like so many other 19th century medical terms, acquired pejorative connotations as it ...
Similarly, folate deficiency has been linked to neural tube defects. [73] Iodine deficiency is "the most common preventable cause of mental impairment worldwide." [74] [75] "Even moderate [iodine] deficiency, especially in pregnant women and infants, lowers intelligence by 10 to 15 I.Q. points, shaving incalculable potential off a nation's ...