Social & Preventive Medicine Diabetes mellitus is best diagnosed by A Fasting blood sugar > 100mg/dl and post prandial blood sugar > 140mg/dl B Fasting blood sugar > 126mg/dl and post prandial blood sugar > 199mg/dl C HbA1C = 5.5% D Fasting blood sugar > 70mg/dl 💡 Explanation Diabetes mellitus is best diagnosed by ✓ Correct Answer: B. Fasting blood sugar > 126mg/dl and post prandial blood sugar > 199mg/dl