Prediabetes often has no symptoms.
When to Screen
- Adults 40+ every 3 years.
- Earlier if overweight, family history, hypertension, or gestational diabetes history.
A1C Thresholds
- 6.0–6.4% suggests increased risk.
- Lifestyle intervention can significantly reduce progression.
References:
Diabetes Canada Clinical Practice Guidelines
Canadian Task Force — Type 2 Diabetes