2Sacks DA, Chen W, Wolde Tsadik G, et al. Fasting plasma glucose test at the first prenatal visit as screen for gastational diabetes [J] . Obstet Gynecol, 2003, 101 (6) : 1197 -1203.
3Expert Committee on the Diagnosis and classification of diabetes mellitus. Report of the expert committee on the diagnosis and classification of diabetes mellitus [J] . Diabetes Care, 1997, 20 (7) : 1183 - 1197.