Understanding Prediabetes
Prediabetes is your warning sign — and your opportunity. Learn what it means, why it matters, and how you can take action to prevent Type 2 Diabetes.
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What is Prediabetes?
Prediabetes means your blood glucose levels are higher than normal, but not high enough to be diagnosed as Type 2 Diabetes. Think of it as a warning light on your dashboard — your body is telling you something needs attention.
At this stage, your body is becoming resistant to insulin (the hormone that moves glucose into cells for energy). Your pancreas is working overtime to produce extra insulin, but it's struggling to keep up. Without intervention, prediabetes often progresses to Type 2 Diabetes.
Prediabetes is reversible. This is your chance to make changes before Type 2 Diabetes develops. Studies show that lifestyle intervention at this stage can reduce your risk of developing diabetes by up to 58% — more effective than medication alone.
Diagnosis & Testing
Prediabetes is diagnosed through simple blood tests. Most people have no symptoms, which is why screening is so important if you have risk factors.
| Test | Normal | Prediabetes | Diabetes |
|---|---|---|---|
| HbA1c | Below 5.7% | 5.7% – 6.4% | 6.5% or higher |
| Fasting Glucose | Below 5.5 mmol/L | 5.5 – 6.9 mmol/L | 7.0 mmol/L or higher |
| OGTT (2hr) | Below 7.8 mmol/L | 7.8 – 11.0 mmol/L | 11.1 mmol/L or higher |
HbA1c (glycated haemoglobin) is often the most convenient test as it doesn't require fasting and gives a picture of your average blood glucose over the past 2-3 months.
- Everyone over 40 years old (yearly screening)
- Anyone with risk factors (regardless of age)
- Women with history of gestational diabetes
- People with PCOS (polycystic ovary syndrome)
Risk Factors
Prediabetes risk factors are similar to Type 2 Diabetes. The more risk factors you have, the more important it is to get tested and take action.
- Overweight or obesity — especially abdominal fat (waist >94cm men, >80cm women)
- Family history of Type 2 Diabetes (parent or sibling)
- Physical inactivity — sedentary lifestyle
- Age 45+ — risk increases with age
- Ethnicity — higher risk in Aboriginal, Asian, Pacific Islander backgrounds
- History of gestational diabetes or having a baby over 4.5kg
Check Your Risk
Why Prediabetes Matters
Prediabetes isn't just a "pre" condition — it's a serious health state that requires attention. Without intervention, the majority of people with prediabetes will develop Type 2 Diabetes within 10 years.
Research shows that cardiovascular damage and other complications can begin in the prediabetes stage. People with prediabetes have a 50% higher risk of heart disease and stroke compared to those with normal blood glucose.
- Progression to Type 2 Diabetes (5-10% per year without intervention)
- Increased cardiovascular disease risk (heart attack, stroke)
- Early kidney changes
- Higher risk of certain cancers
Prevention & Reversal
Here's the empowering truth: prediabetes can be reversed. Landmark studies (like the Diabetes Prevention Program) have shown that lifestyle changes are remarkably effective at preventing progression to diabetes — even more effective than medication.
Lifestyle intervention reduces diabetes risk by 58%. In people over 60, the reduction is even higher — up to 71%. These are better results than any medication can achieve.
- Achieve modest weight loss: 5-7% of body weight (that's 5-7kg for someone 100kg)
- Regular physical activity: 150 minutes per week of moderate exercise
- Healthy eating: Focus on whole foods, reduce refined carbs and sugary drinks
- Regular monitoring: Check HbA1c every 3-6 months to track progress
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Taking Action
If you've been diagnosed with prediabetes — or think you might have it — don't wait. The earlier you take action, the better your chances of reversing it completely.
- Get tested: If you haven't been tested, ask your GP for an HbA1c test
- See an endocrinologist: Get expert guidance on your prevention plan
- Start small: Begin with 10-minute walks after meals
- Consider a program: Structured programs significantly improve success rates
Prediabetes Prevention Masterclass
Learn exactly what to do if you've been diagnosed with prediabetes. Our free online masterclass covers the proven strategies for prevention and reversal.
Watch Free MasterclassDr Sultan's Approach to Prediabetes
A proactive, evidence-based approach focused on prevention and reversal
Prevention Program
Structured program based on the proven Diabetes Prevention Program strategies
Weight Management
Evidence-based strategies for sustainable weight loss and metabolic improvement
Risk Assessment
Comprehensive evaluation of all cardiovascular risk factors for complete protection
Regular Monitoring
Track progress with regular HbA1c testing and adjust your plan accordingly
Book a Consultation
Take action on your prediabetes with expert guidance from Dr Sultan Linjawi. Medicare rebates available with GP referral.
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