Epidemiologic criteria for assessing iodinenutrition based on median urinary iodine concentrations of schoolagechildren and adults are: iodine deficiency, <100 mg/L; adequateiodine nutrition, 100e199 mg/L; above requirements, 200e299 mg/L; excessive, 300 mg/L.3 For pregnant women, these medianurinary iodine concentrations are higher.3The recommended daily dose of dietary iodine has recently beenrevised: 1e8 years old, 90 mg/d; 9e13 years, 120 mg/d; 14 years andolder, 150 mg/d; pregnant and lactating women 250 mg/d; andwomen of reproductive age (15e49 years) 150 mg/d.3,4 The iodineconcentrations in foods of animal origin depend on their biological
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