| EAR | Estimated average requirement |
| LiN | Little in Norway study |
| MoBa | The Norwegian Mother and Child Cohort Study |
| MISA | Northern mother-and-child contaminant cohort |
| UIC | Urinary iodine concentration |
| UI/Cr | Urinary iodine-to-creatinine ratio |
| UIE | 24-h excretion of iodine |
| WHO | World Health Organization |
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