Research progress of subclinical hypothyroidism during pregnancy
Pregnant women's thyroid is in a special physiological period during pregnancy.Thyroid lev-el plays a key role in maintaining normal pregnancy and fetal growth and development.Subclinical hypothy-roidism(SCH)is the most common thyroid dysfunction during pregnancy.Most studies have shown that SCH can lead to an increased risk of adverse pregnancy outcomes,however,its clinical diagnosis and treatment are still under revision.This article reviewed the current status and research of SCH during pregnancy.