Why do doctors advise the HBA1C test every three months?

Answered by 1 Apollo Doctors

Dr Yusuf Mohammad

General Practitioner

MBBS
Advanced Certificate Course in Dermatology
8+ Yrs

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Doctors advise HbA1C tests for people who have diabetes every three months to evaluate if a person has good control or bad control of blood sugar levels over a period of 90 days.

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Answered 24/07/2025

More HBA1C (GLYCATED HEMOGLOBIN) Health Queries

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My question is about whether labs have different reference values because of the reagents used in processing. My lab report shows an A1C value of 6, and the lab normal range shows up to 6.2. I understand that normal values are usually less than 5.7, but in this case, can 6 be considered normal since the lab range shows up to 6.2? I understand fasting is high, but please restrict your answer to differences in lab normal ranges.

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My HbA1C is 5.8 percent. Is it normal or do I have to worry about it? Please advise as I am very much worried about it.

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Glucose in my urine test shows present + + + +. What does this mean? I am diabetic for 6 years. The rest of my urine test report is normal. My blood sugar level after breakfast is 248, checked at home. Does this indicate early kidney disease? Please reply.

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.