Conclusions Resurgent goiter rate is mainly resulted from low and intermittent of iodine and protein intake, and thus measures should be taken to improve their nutritional status.
结论山区儿童特别是山区住校生碘摄入量低且不持续及食物中蛋白质较少是导致甲肿率回升的主要原因，应采取措施改善其营养状况。
Selecting appropriate evaluation indicators for surveying and monitoring iodine nutritional status is needed.
碘营养状况的调查和监测需要选择适当的评价指标。
Objective To explore the change of children's iodine nutritional status in different areas before and after universal salt iodization.
目的了解不同地区儿童碘营养状况在全民食盐加碘前后有何变化。
Objective To investigate the nutritional status of selenium and iodine of pregnant women in Guangzhou.
目的了解广州市孕妇孕中、晚期硒碘营养状况。
Objective:To investigate the change of iodine nutritional status in the pregnancy after the consistence of salt iodine was regulated.
目的：探讨全民食盐加碘水平下调后孕妇碘营养状况的变化。
Objective To investigate the status of iodine nutritional status and thyroid function in the first trimester gestation after universal salt iodization.
目的探讨全民食盐加碘后孕妇妊娠早期甲状腺功能及碘营养状况。
To evaluate the iodine - nutritional status of the children of Beijing area.
目的评价北京地区儿童碘营养状况。
To evaluate the iodine - nutritional status of the children of Beijing area.
目的评价北京地区儿童碘营养状况。
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