diagnostic criteria for diabetes mellitus
the criteria for the diagnosis of diabetes are shown in table 2.
three way to diagnose diabetes are possible, and each, in the absence of unequivocal hyperglycemia,must be confirmed,on a subsequent day,by any one of the three methods given in Table 2. The use of the hemoglobin A1C for the diagnosis of diabetes is not recommended at this time.
diagnosis of GDM
The criteria for abnormal glucose tolerance in pregnancy are those of Carpenter and Coustan (3). Recommedations from the American Diabetes Association's Fourth International Workshop Conference on Gestational Diasbetes Mellitus held in March 1997 support the use of Carpenter/Coustan diagnostic criteria as well as the alternative use of a diagnostic 75 g. 2hr. OGTT. These criteria are summarized below.