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目的对食盐加碘剂量作出评估。方法随机检测宜兴市五个乡(镇、街道)孕妇和哺乳期妇女的尿碘排泄量、食盐食用量和24 h排尿量,计算其碘摄入量、加碘食盐供给碘量和环境碘来源。结果 230例调查对象的尿碘排泄量为146μg/L、食盐食用量6.65 g/d和24 h排尿量水平为1.8 L;其碘摄入量、加碘食盐供给碘量和环境碘来源分别为262.8μg/d、154.7μg/d和108.1μg/d。结论宜兴市孕妇和哺乳期妇女碘摄入量高于国际组织新近推荐的碘摄入量200μg/d,碘营养充分。加碘食盐供给碘量在WHO规定的150～300μg/d安全范围之间,国家当前的食盐加碘剂量标准对宜兴市而言是适宜的。
Objective To assess salt iodine dosage. Methods Urinary iodine excretion, salt intake and 24 h urinary output of pregnant women and lactating women in five townships (towns and streets) of Yixing City were randomly measured to calculate iodine intake, iodized iodine supply and iodine supply . Results The urinary iodine excretion of the 230 subjects was 146 μg / L, the salt consumption 6.65 g / d and the urine output 24 h 1.8 L. The iodine intake, the iodine supply iodized salt and the sources of environmental iodine were 262.8 μg / d, 154.7 μg / d and 108.1 μg / d. Conclusion The iodine intake of pregnant women and lactating women in Yixing City is higher than that of iodine intake of 200μg / d, which is recommended by international organizations recently. The iodine nutrition is sufficient. The amount of iodine supplied by iodized salt is within the safe range of 150-300 μg / d as stipulated by the WHO. The current national salt iodine dosage standard is suitable for Yixing City.