碘缺乏病(地甲病)是由于自然环境缺碘而对人体造成的危害,是一种地方病,是机体因缺乏微量元素碘而引起一系列疾病及其危害的总称。它包括地方性甲状腺肿、地方性克汀病、地方性亚临床克汀病、流产、早产、死胎等。中国是碘缺乏病流行普遍和严重的国家。环境缺碘是碘缺乏病的最重要致病原因。全国31个省(市、自治区)都有流 Iodine deficiency disease (IDA) is a natural cause of iodine deficiency caused by the human body, is a endemic disease, is the body due to the lack of trace elements caused by a series of diseases and their harm to the general term. It includes endemic goiter, endemic cretinism, endemic subclinical cretinism, miscarriage, premature birth and stillbirth. China is a common and serious epidemic of iodine deficiency disorders. Iodine deficiency is the most important cause of iodine deficiency disorders in the environment. The 31 provinces (cities and autonomous regions) in China have a stream