A 30-year-old primigravida at 26 weeks gestation has a 50 g glucose challenge test result of 9.8 mmol/L. According to Canadian practice, what is the next step in screening for gestational diabetes?ANo further testing is requiredBRepeat the 50 g challenge test in 4 weeksCPerform a 75 g oral glucose tolerance test with fasting, 1-hour and 2-hour plasma glucose measurementsDStart insulin immediately without further testingECheck random capillary glucose onlyCheck my answer