1Vulsma T, Gons MH, de Vijlder JJ. Maternal-fetal transfer of thyroxine in congenital hypothyroidism due to a total organification defect or thyroid agenesis. N Engl J Med, 1989,321 : 13-16.
2Haddow JE, Palomaki GE, Allan WC, et al. Maternal thyroid deficiency during pregnancy and subsequent neuropsychological development of the child. N Engl J Med, 1999,341:549-555.
3Abalovich M, Amino N, Barbour LA, et al. Management of thyroid dysfunction during pregnancy and postpartum: an Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab, 2007,92 ( 8 Suppl) : S1-$47.
4Stagnaro-Green A, Abalovich M, Alexander E, et al. Guidelines of the American Thyroid Association for the diagnosis and management of thyroid diseases during pregnancy and postpartum. Thyroid, 2011,21 : 1081-1125.
5G|inoer D. The regulation of thyroid function in pregnancy : pathways of endocrine adaptation from physiology to pathology. Endocr Rev, 1997, 18:404-433.
6Negro R. Significance and management of low TSH in pregnancy. In : Lazarus J, Pirags V, Butz S ( eds ). The Thyroid and Reproduction. Georg Thieme Verlag, New York, 2009,84-95.
7Yan YQ, Dong ZL, Dong L, et al. Trimester- and method-specific reference intervals for thyroid tests in pregnant Chinese women: methodology, euthyroid definition, and iodine status can influence the setting of reference intervals. Clin Endocrinol ( Oxf), 2011,74 : 262- 269.
8Baloch Z, Carayon P, Conte-Devolx B, et al. Laboratory medicine practice guidelines. Laboratory support for the diagnosis and monitoring of thyroid disease. Thyroid, 2003,13:3-126. 2009,160:985-991.
9Shan ZY, Chen YY, Teng WP, et al. A study for maternal thyroid hormone deficiency during the first half of pregnancy in China. Eur J Clin Invest, 2009,39:37-42.
10Haddow JE, Palomaki GE, Allan WC, et al. Maternal thyroid deficiency during pregnancy and subsequent neuropsychological development of the child. N Engl ] Med, 1999,341:549-555.
