A 28-year-old primigravida with no risk factors for diabetes attends antenatal clinic at 26 weeks' gestation. According to Canadian guidance, what is the recommended screening strategy for gestational diabetes in average-risk women?ANo screening is recommended in average-risk womenBRandom capillary glucose at each antenatal visit onlyCUniversal 50 g 1-hour glucose challenge test at 24-28 weeks, with diagnostic OGTT if abnormalDUniversal 75 g 2-hour OGTT without prior screeningEScreen only women with BMI ≥35 kg/m² at 36 weeksCheck my answer