4.0 - 7.7 mmol/L
Glucose Challenge Test > 11.1 mmol/L confirms diagnosis of GDM, while results between 7.8 - 11.0 mmol/L should be followed up with a
Glucose Tolerance Test, 75 g to confirm the diagnosis.
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.