2National Diabetes Data Group. Classification and diagnosis of diabetes mellitus and other categories of glucose intolerance. Diabetes, 1979,28 : 1039- 1057.
3Vercellini P, Zuliani G. Pregnancy at forty and over: a case-control study. Eur J Obstet Gynecol Reprod Biol, 1993,48 : 191 - 195.
4Berkowitz GS, Roma SH, Lapirkski RH, et al. Maternal characteristics neonatal outcome, and the time of diagnosis of gestational diabetes. Am J Obstet Gvnecol, 1992,167:976-982.
5Fujimoto WY. Background and recrutment data for the U. S. diabetes prevention program. Diabetes Care, 2000,23 : S2 : B11 - 13.
6Fagen C, King JD, Erick M. Nutrition management in women with gestational diabetes mellitus: a review by ADA's diabetes care and education diabetes practice group. J Am Diet Assoc, 1995, 95:460-467.