Table 1.
Various criteria proposed for diagnosing GDM based on fasting OGTT
| Criteria | Year proposed | Approach | Glucose load (g) | Glucose threshold mg/dl (mmol/l) | |||
|---|---|---|---|---|---|---|---|
| Fasting | 1 h | 2 h | 3 h | ||||
| O’Sullivan & Mahan | 1964 | 2 step | 100 | 90 (5.0) | 165 (9.2) | 145 (8.1) | 125 (6.9) |
| National Diabetes Data Group (NDDG) | 1979 | 2 step | 100 | 105 (5.8) | 190 (10.6) | 165 (9.2) | 145 (8.1) |
| Carpenter & Coustan | 1982 | 2 step | 100 | 95 (5.3) | 180 (10.0) | 155 (8.6) | 140 (7.8) |
| World Health Organization (WHO) | 1999 | 1 step | 75 | 126a (7.0) | – | 140 (7.8) | – |
| American Diabetes Association (ADA) | 2004 | 2 step | 100 | 95 (5.3) | 180 (10.0) | 155 (8.6) | 140 (7.8) |
| Latin American Diabetes Association (ALAD)b | 2008 | 2 step | 75 | 100 (5.5) | – | 140 (7.8) | – |
| International Association of Diabetes and Pregnancy Study Groups (IADPSG) | 2010 | 1 step | 75 | 92 (5.1) | 180 (10.0) | 153 (8.5) | – |
| World Health Organization 2013 criteria (revised, same as IADPSG) | 2013 | 1 step | 75 | 92 (5.1) | 180 (10.0) | 153 (8.5) | – |
| National Institute for Health and Care Excellence (NICE) | 2015 | 1 step | 75 | 101 (5.6) | – | 140 (7.8) | – |