A 30-year-old woman at 26 weeks' gestation with a singleton pregnancy and no prior history of diabetes attends antenatal clinic. According to Canadian practice, which screening approach for gestational diabetes mellitus (GDM) is most appropriate?AFasting plasma glucose only at first prenatal visitBNo screening is required in low-risk womenC1-step 75 g oral glucose tolerance test at 24-28 weeks' gestationDRandom plasma glucose at every visit; no formal OGTT neededEScreening only postpartum with HbA1cCheck my answer