Table 2.
Criteria | Method | Fasting blood glucose (mg/dl) | 1-h blood glucose (mg/dl) | 2-h blood glucose (mg/dl) |
---|---|---|---|---|
WHO (1999) | Fasting OGTT with 75 gm of glucose | ≥126 mg/dl | - | ≥140 |
IADPSG/WHO (2013) | Fasting OGTT with 75 gm of glucose | ≥92 | ≥180 | ≥153 |
DIPSI | Non-fasting OGTT with 75 gm of glucose | - | - | ≥140 |
OGTT=Oral glucose tolerance test; This screening test is usually done between 24 and 28 weeks of pregnancy but should be conducted much earlier in pregnancy in high-risk women