A 24-year-old pregnant woman at 26 weeks gestation has a 50 g glucose challenge test result of 9.8 mmol/L (1 hour). According to Canadian practice, what is the next appropriate step to evaluate for gestational diabetes mellitus?ANo further testing is required because this is normalBOrder a 75 g oral glucose tolerance testCStart dietary treatment for gestational diabetes without further testingDOrder an HbA1cERepeat the 50 g glucose challenge test in 4 weeksCheck my answer