A 30-year-old pregnant woman at 26 weeks' gestation undergoes a 75 g oral glucose tolerance test (OGTT). Results: fasting plasma glucose 5.6 mmol/L, 1-hour glucose 10.8 mmol/L, 2-hour glucose 9.2 mmol/L. According to recent Australasian Diabetes in Pregnancy Society (ADIPS) consensus recommendations, how should these results be interpreted?