Table 1—

Diagnostic criteria for GDM

CriteriaGlucose load (g)Duration (h)Abnormal values for diagnosisBlood glucose thresholds*
NDDG (6)1003≥20 h, 105 mg/dl; 1 h, 190 mg/dl; 2 h, 165 mg/dl; 3 h, 145 mg/dl
Carpenter and Coustan (7)1003≥20 h, 95 mg/dl; 1 h, 180 mg/dl; 2 h, 155 mg/dl; 3 h, 140 mg/dl
American Diabetes Association (8)752≥20 h, 95 mg/dl; 1 h, 180 mg/dl; 2 h, 155 mg/dl
Damm et al. (9)503≥20 h, 115 mg/dl; 0.5 h, 182 mg/dl; 1 h, 182 mg/dl; 1.5 h, 157 mg/dl; 2 h, 137 mg/dl; 2.5 h, 137 mg/dl; 3 h, 119 mg/dl
O’Sullivan and Mahan (10)1003≥20 h, 90 mg/dl; 1 h, 165 mg/dl; 2 h, 145 mg/dl; 3 h, 125 mg/dl
Gillmer et al. (11)503Area under curve of 0, 0.5, 1, 1.5, 2, 2.5, and 3 h ≥792 units
EASD (12)75212 h ≥162 mg/dl
WHO (13)752≥10 h, 126 mg/dl; 2 h, 140 mg/dl
ADIPS (14)752≥10 h, 99 mg/dl; 2 h, 144 mg/dl
Mercy (15)50321 h ≥162 mg/dl and 2 h ≥126 mg/dl
  • *

    * All the criteria use venous plasma except for reference 10 (whole blood) and 15 (capillary plasma).

  • Current American Diabetes Association position statement recommends use of either the 100-g glucose tolerance test with Carpenter and Coustan criteria or the 75-g glucose tolerance test. EASD, European Association for the Study of Diabetes; NDDG, National Diabetes Data Group.