5Schussler GC. The thyroxine-binding proteins. Thyroid,2000,10 : 141-149.
6Glinoer D. What happens to the normal thyroid during pregnancy? Thyroid, 1999,9:631-635.
7Glinoer D. The regulation of thyroid function in pregnancy : Pathways of endocrine adaptation from physiology to pathology. Endocr Rev, 1997,18:404-433.
8Fenrris TF. Renal disease//Burrow GN, Ferris TF, eds. Medical complications during pregnancy. 3rd ed. Philadelphia: WB Saunders, 1988:277-299.
9Burrow GN, Fischer DA, Larsen PR. Maternal and fetal thyroid function. N Engl J Med, 1994,331 : 1072-1078.
10Rasmussen NG,Hornnes PJ, Hegedus L. Ultrasonographicaliy determined thyroid size in pregnancy and post partum: the goitrogenic effect of pregnancy. Am J Obstet Gynecol, 1989,160 : 1216- 1220.
4Pop VJ, Kuijpens JL, Van Baar AL, et al. Low maternal free thyroxine concentrations during early pregnancy are associated with impaired psychomotor development in early infancy[J]. Clin Endocrinol, 1999,50(2):149-155.
5Haddow JE, Palomaki GE, Allan WC, et al. Maternal thyroid deficiency during pregnancy and subsequent neuropsychological development of the child[J]. N Engl J Med, 1999,341(8) : 549- 555.
6Stagnaro-Green A, Abalovieh M, Alexander E, et al. Guide- lines of the American Thyroid Association for the diagnosis management of thyroid disease during pregnancy and postpar- tum[J]. Thyroid, 2011,21(10) : 1081-1125.
7Springer D, Zima T, Limanova Z. Reference intervals in evalu- ation of maternal thyroid function during the first trimester of pregnancy[J]. Eur J Endocrinol, 2009,160(5) :791-797.
8Cascy BM, Dashe JS, Wells CE, et al. Subclinical hypothyroidism and pregnancy outcomes [J]. Obstct Gynccol, 2005, 105(2): 239-245.
9Behrooz HG, Tohidi M, Mehrabi Y, et al. Subclinical hypothyroid- ism in pregnancy: intellectual development of offspring [J]. Thy- roid, 2011, 21(10): 1143-1147.
10Kooistra L, Crawford S, van Baar AL, et al. Neonatal effects of ma- ternal hypothyroxinemia during early pregnancy [J]. Pediatrics, 2006, 117(1): 161-167.