Question

A 24-year-old G1P0 at 26 weeks' gestation attends antenatal clinic for routine screening. According to Canadian recommendations (Diabetes Canada and SOGC), which screening approach for gestational diabetes mellitus (GDM) is most appropriate in an average-risk pregnancy?

Accepted Answer

Universal 50 g glucose challenge test followed, if abnormal, by a 75 g oral glucose tolerance test

Answer

Fasting plasma glucose alone at first visit, no further testing

Answer

Random glucose at each visit and OGTT only if random >11.1 mmol/L

Answer

No screening is required unless BMI >35 kg/m²

Answer

HbA1c at 24-28 weeks as the primary screening test

Practice question

A 24-year-old G1P0 at 26 weeks' gestation attends antenatal clinic for routine screening. According to Canadian recommendations (Diabetes Canada and SOGC), which screening approach for gestational diabetes mellitus (GDM) is most appropriate in an average-risk pregnancy?