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用免疫放射法（ＩＲＭＡ）对贵阳市８０例新生儿的ＴＳＨ值分布进行了观察。结果如下：１．新生儿组ＴＳＨ值≥５ｍＩＵ／Ｌ者占３８．９％；２．新生儿ＴＳＨ值与其母亲尿碘值呈负相关（ｒ＝０．５，Ｐ＜０．０１）。该研究提示贵阳市虽经１／５万磺盐防治１０年多，仍存在碘缺乏。碘缺乏是导致新生儿ＴＳＨ值偏移的主要因素。
TSH value distribution of 80 newborns in Guiyang was observed by immunoradiography (IRMA). The results are as follows: 1. Neonatal TSH value ≥ 5mIU / L accounted for 38.9%; 2. Neonatal TSH values were negatively correlated with their mothers’ urinary iodine values (r = 0.5, P <0.01). The study suggests that despite the prevention and treatment of 1/5 million sulfites in Guiyang City more than 10 years, there is still iodine deficiency. Iodine deficiency is a major factor that leads to TSH shift in newborns.