← Royal Fitness Club Educational information only — not a substitute for medical advice. Read disclaimer ·
3-month average blood sugar — the cornerstone diabetes test.
Updated: 12 August 2026
Do not diagnose based on one lab value. Ranges vary by lab, method, age, pregnancy and medicines — always interpret trends with your doctor.
Percentage of hemoglobin coated with sugar, reflecting average glucose over ~3 months.
Normal <5.7% • Prediabetes 5.7–6.4% • Diabetes ≥6.5% (confirm with repeat/fasting).
Every 3–6 months until stable, then 6-monthly, plus annual kidney/eye/foot screening.
This website provides general educational information and is not a substitute for professional medical diagnosis, treatment or emergency care. Always consult a qualified healthcare professional.