A 30-year-old woman at 28 weeks' gestation undergoes a 75 g oral glucose tolerance test in pregnancy. Her fasting plasma glucose is 5.5 mmol/L, 1-hour value 10.8 mmol/L and 2-hour value 8.5 mmol/L. According to the latest ADIPS consensus recommendations for gestational diabetes in Australia, how should these results be interpreted?