Table 1 Criteria indicating oral glucose tolerance test (OGTT) screening for gestational diabetes mellitus (GDM) and cut-off threshold value for GDM diagnosis according to the local guidelines 2002 within the two catchment areas.
Criteria indicating OGTT screening for GDM Cut-off threshold at OGTT indicating GDM diagnosis | Umeå University Hospital UUH) | Sunderby Hospital (SH) |
|---|---|---|
Risk factors in medical history | Â | Â |
Family history of diabetes (parents and siblings) | Yes | Yes |
Previous pregnancy with GDM | Yes | Yes |
Previous child with birth weight ≥4500 g | Yes | Yes |
Maternal body weight before pregnancy (kg) | ≥90 | ≥90 |
Body Mass Index, BMI (kg/m2) | No | ≥33 |
Risk factors developed during pregnancy | Â | Â |
Randomly controlled blood glucose level at any antenatal visit during pregnancy (mmol/l) | ≥8.0 | ≥7.1 |
Accelerated fetal growth | Yes | Yes |
Polyhydramniosis | Yes | Yes |
Cut-off threshold at 75 g OGTT indicating GDM diagnosis | Â | Â |
2 hours blood glucose value (mmol/l) | ≥9.0 | ≥8.9 |