A什么是碘缺乏病?有哪些主要危害?碘缺乏病是由于自然环境碘缺乏造成机体碘营养不良所表现的一组疾病的总称。它包括地方性甲状腺肿、克汀病(以痴呆、矮小、聋、哑、瘫痪为主要临床特征)和亚临床克汀病(以智力低下为主要临床特征)、单纯性聋哑、胎儿流产、早产、死产和先天畸形等。胎儿期碘缺乏的危害主要包括流产、早产、死产、先天性畸形、克汀病及亚临床克汀病;新生儿碘缺乏会引起先天性甲状腺机能低下症检出率的升高;儿童青少年碘缺乏可影响智力发育、身体发育,造 A What is iodine deficiency disease? What are the main hazards? Iodine deficiency disease is due to natural iodine deficiency caused by the body of iodine dystrophy manifested a group of diseases collectively. It includes endemic goiter, cretinism (dementia, dwarf, deaf, dumb, paralyzed as the main clinical features) and subclinical cretinism (mental retardation as the main clinical features), simple deaf, fetus abortion, Premature delivery, stillbirth and congenital malformations. Prenatal iodine deficiency hazards include miscarriage, premature birth, stillbirth, congenital malformations, cretinism and subclinical cretinism; neonatal iodine deficiency can cause congenital hypothyroidism detection rate increased; children and adolescents Iodine deficiency can affect mental development, physical development, made