Iodine status in Danish pregnant women after an increase in iodine fortification
Authors' conclusion
Despite an increase in iodine fortification and frequent use of iodine-containing supplements, iodine status in pregnant women in the North Denmark Region was insufficient. Results call for continued monitoring and attention to ensure adequate iodine status during pregnancy in Denmark.
Study context
- Population
- Pregnant women in the North Denmark Region referred for routine obstetric US in 2021; 88% used iodine-containing supplements
- Participants
- 147 women
- Exposure
- Iodine status in 2021 vs 2012
- 2021n = 147
- Outcome
- Median urinary iodine concentration (UIC), assessed against recommended range in pregnancy (150-249 µg/L)
Main finding
As reported in the abstract
Median UIC
P < 0.001
Observational data: associations, not effects.
Further findings
| Outcome | P value |
|---|---|
| Sources of iodine intake in pregnancy2021 vs 2012 · lower daily dairy intake in 2021 | P = 0.008 |
| Sources of iodine intake in pregnancy2021 vs 2012 · lower daily bread intake in 2021 | P < 0.001 |
| Sources of iodine intake in pregnancy2021 vs 2012 · lower iodine content of supplement used in 2021 | P < 0.001 |
Original publication
Iodine status in Danish pregnant women after an increase in iodine fortification. Clin Endocrinol (Oxf). Published 10 July 2022. doi:10.
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