亚临床甲状腺功能减退症(亚临床甲减)因无临床症状或仅有轻微的临床症状而不易发现,其对妊娠结局及子代神经智力发育却有着重要的影响,因此目前仍是内分泌科、妇产科、优生优育科的热点问题,本文就妊娠期亚临床甲减妊娠期甲状腺功能的变化、发生的原因、对妊娠结局及子代的影响等予以综述。 Subclinical hypothyroidism (subclinical hypothyroidism) because of no clinical symptoms or only mild clinical symptoms and not easy to find, and its offspring of pregnancy and mental development of intelligence has an important impact, it is still the Department of Endocrinology, Obstetrics and gynecology, prenatal and postnatal care hot topics, this article on subclinical hypothyroidism during pregnancy hypothyroidism thyroid function changes, the causes of pregnancy outcome and offspring of such effects are reviewed.