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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Urinary iodine concentrations indicate iodine deficiency in pregnant Thai women but iodine sufficiency in their school-aged children
Journal of Nutrition, Volume 139, No. 6, Year 2009
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Description
The median urinary iodine concentration (UI) in school-aged children is recommended for assessment of iodine nutrition in populations. If the median UI is adequate in school-aged children, it is usually assumed iodine intakes are also adequate in the remaining population, including pregnant women. But iodine requirements sharply increase during pregnancy. In this study, our aim was to measure UI in pairs of pregnant women and their school-aged children from the same family, who were sharing meals, to directly assess whether a household food basket that supplies adequate iodine to school-aged children also meets the needs of pregnant women. UI was measured in spot urine samples from pairs (n = 302) of healthy pregnant mothers and their school-aged children in metropolitan Bangkok, Thailand.Adietary questionnaire wascompleted. The UI [median (range)] in the pregnant women {108 (11-558) mg/L [0.85 (0.086-4.41) mmol/L]} were lower than those of their school-aged children {200 (25-835) μg/L [1.58 (0.20-6.52) mmol/L]} (P < 0.001), indicating optimal iodine status in the children but mild-to-moderate iodine deficiency in their pregnant mothers. The estimated iodine intakes in the 2 groups were in the range of 130-170mg/d. There was a modest positive correlation between UI in the pairs (r = 0.253; P < 0.01). A higher frequency of seafood meals was a significant predictor of UI in both groups, but household use of iodized salt wasnot. These data suggest the median UI in school-aged children should not be used as a surrogate for monitoring iodine status in pregnancy in central Thailand; pregnant women should be directly monitored. © 2009 American Society for Nutrition.
Authors & Co-Authors
Gowachirapant, Sueppong
Thailand, Nakhon Pathom
Mahidol University
Netherlands, Wageningen
Wageningen University & Research
Winichagoon, Pattanee
Thailand, Nakhon Pathom
Mahidol University
Baumgartner, Jeannine
Switzerland, Zurich
Eth Zürich
Melse-Boonstra, Alida
Netherlands, Wageningen
Wageningen University & Research
Zimmermann, Michaël Bruce
Switzerland, Zurich
Eth Zürich
Netherlands, Wageningen
Wageningen University & Research
Statistics
Citations: 82
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.3945/jn.108.100438
ISSN:
15416100
Research Areas
Food Security
Maternal And Child Health
Sexual And Reproductive Health
Study Design
Cross Sectional Study
Participants Gender
Female