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To the Editor: In Australia, gestational diabetes mellitus is diagnosed by 75 g oral glucose tolerance test (OGTT). The diagnostic criteria are fasting plasma glucose (FPG) ≥ 5.1 mmol/L, one-hour… Click to show full abstract
To the Editor: In Australia, gestational diabetes mellitus is diagnosed by 75 g oral glucose tolerance test (OGTT). The diagnostic criteria are fasting plasma glucose (FPG) ≥ 5.1 mmol/L, one-hour glucose level ≥ 10.0 mmol/L, and/or 2-hour glucose level ≥ 8.5 mmol/L.1,2 International consensus favours OGTT over single measures of glucose because, in the pivotal Hyperglycaemia and Adverse Pregnancy Outcome (HAPO) study, hyperglycaemia at each time point was independently associated with adverse outcomes, individual measures were not well correlated with one another, and no single measure was clearly superior in predicting adverse outcomes, such as birthweight above the 90th percentile, shoulder dystocia and pre-eclampsia.2,3
Journal Title: Medical Journal of Australia
Year Published: 2020
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