Prevalence, etiology and harm of subclinical hypothyroidism / 中华地方病学杂志

The incidence of subclinical hypothyroidism (SCH) is increasing year by year.Older people,women and people with excess iodine intake are more likely to develop the disease.SCH is caused by autoimmune thyroiditis,environmental and iatrogenic factors.Patients are prone to adverse outcomes in pregnant women and offspring,cardiovascular diseases,and abnormal lipid metabolism.Therefore,it is of great clinical and public health significance to understand and actively prevent SCH.