PCW Clarity · Insulin resistance and blood sugar
Why is my blood sugar creeping up after menopause?
You eat better than you did at 30. Your A1C still went up. That's not hypocrisy. It's biology worth understanding.
The short answer
Several midlife changes push blood sugar the same direction at once: more belly fat, less muscle and, for many women, worse sleep. Insulin is the hormone that moves sugar from your blood into your cells. With insulin resistance, cells respond less well, so the body makes more insulin to keep up. After menopause, women's risk of metabolic syndrome, a cluster of heart and blood sugar risks, rises, and the move toward central fat is part of why (Carr 2003). Visceral fat increases during the transition (Lovejoy 2008), and lean mass, which handles much of the sugar from meals, declines (Greendale 2019).
Insulin can rise for years before blood sugar leaves the normal range, so a "normal" A1C doesn't always mean nothing's changing. The American Diabetes Association defines prediabetes as an A1C of 5.7% to 6.4% or a fasting glucose of 100 to 125 mg/dL (ADA 2024). One number is a snapshot. A trend over time tells you more.
Why does this matter?
- Blood sugar and heart risk travel together. The AHA links the menopause transition with rising cardiometabolic risk and calls it a window for early prevention (El Khoudary 2020).
- Sleep is part of blood sugar. Six nights of short sleep made glucose tolerance worse in healthy young men (Spiegel 1999).
- Muscle is a blood sugar tool. Strength training helps keep the muscle that uses sugar from meals. See strength vs. cardio.
- Food quality matters more than fads. Higher-fiber, whole-grain eating is linked with lower risk of type 2 diabetes and other diseases (Reynolds 2019), and a Mediterranean-style pattern lowered heart events in a large trial (Estruch 2018).
- Hormone therapy isn't a diabetes treatment. Reviews found it may lower insulin resistance and new cases of diabetes in some women (Salpeter 2006), but it isn't approved to treat or prevent diabetes.
How do I tell whether my blood sugar is drifting?
- Line up your last 3 to 5 years. A1C and fasting glucose side by side. Is it flat or climbing?
- Know your risk factors. Family history of type 2 diabetes, past gestational diabetes or PCOS, a growing waist.
- Track your waist. Waist size can climb while weight stays put.
- Ask whether a fasting insulin test would add anything for you. It isn't routine, so ask your clinician whether it would change your plan.
- Look at your sleep. Short or broken sleep is a blood sugar issue, not just an energy issue.
- Build the basics with your team. Strength work, daily walking, fiber and protein, set with your clinician and dietitian.
Who on my care team handles what?
- Your clinician orders and interprets A1C, glucose and lipids and decides how often to re-check.
- A registered dietitian builds an eating pattern that fits your labs and your life.
- A trainer or physical therapist adds strength work safely.
- A sleep specialist when snoring or poor sleep may be part of it.
Where it breaks: the A1C goes up a notch each year, each result is "normal," and nobody connects it to the night sweats and the missing strength work. A one-page trend sheet that every pro sees catches the drift early.
How does the DAITT® Method connect to this?
DAITT® (say it like “date”) is our five-part way to look at a whole life. In wellness, the letters stand for Discipline of the body, Awareness, Intellect, Trust and Treasury. Here's how each one touches this question:
- Discipline of the body: Strength work, walks after meals and steady sleep, each set with your team.
- Awareness: Notice stress eating and late-night cravings after poor sleep without judging yourself.
- Intellect: Learn your numbers and the ADA ranges so the trend makes sense to you.
- Trust: Connect the effort to something you love, so it's sustainable.
- Treasury: Prevention is cheaper than treatment. Budget for the dietitian visit now.
Have you made a DAITT® with your future self? Take the free wellness DAITT® quiz on drpat.co. No forms, and nothing is saved.
What could a drift look like?
Illustration
An illustration with made-up numbers, not a client story. Carol is 56, three years past her last period. Her fasting glucose went from 92 to 97 to 101 mg/dL over three checkups, and her A1C from 5.4% to 5.6%. Her waist is up 2 inches. Her weight is up 4 pounds.
Her glucose has just crossed 100 mg/dL, where the ADA's prediabetes range starts (ADA 2024). Her A1C is still below 5.7%. Her clinician talks with her about the trend, her family history and how often to re-check. She asks for a dietitian referral and adds two strength sessions a week with a trainer. The goal isn't panic. It's catching a slow drift while it's still slow.
What do the experts say, and where does the evidence land?
Dr. Mary Claire Haver (on Huberman Lab) and Dr. Sara Gottfried (on Huberman Lab) both describe insulin resistance as a central midlife issue for women. Some experts encourage more testing, like fasting insulin, than routine care uses. That's reasonable to ask about, but the diagnostic ranges here come from the American Diabetes Association.
Related questions
Why does blood sugar go up after menopause?
Several changes add up: more visceral fat (Lovejoy 2008), less lean mass (Greendale 2019) and a rising risk of metabolic syndrome after menopause (Carr 2003). Poor sleep can also worsen glucose tolerance (Spiegel 1999).
Can my A1C be normal and I still have insulin resistance?
Yes, it's possible. A1C reflects average blood sugar over about 3 months, and insulin can rise for years before blood sugar leaves the normal range. The ADA's prediabetes range is an A1C of 5.7% to 6.4% (ADA 2024).
Does hormone therapy lower blood sugar?
Reviews found hormone therapy may reduce insulin resistance and new-onset diabetes in some women (Salpeter 2006), but it isn't approved to treat or prevent diabetes. The decision should be based on your symptoms and health (NAMS 2022).
Sources
Peer-reviewed research
- Carr MC (2003). The emergence of the metabolic syndrome with menopause. J Clin Endocrinol Metab, 88:2404-11.
- Lovejoy JC et al. (2008). Increased visceral fat and decreased energy expenditure during the menopausal transition. Int J Obes (Lond), 32:949-58.
- Greendale GA et al. (2019). Changes in body composition and weight during the menopause transition. JCI Insight, 4.
- Spiegel K et al. (1999). Impact of sleep debt on metabolic and endocrine function. Lancet, 354:1435-9.
- Reynolds A et al. (2019). Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. Lancet, 393:434-445.
- Estruch R et al. (2018). Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts. N Engl J Med, 378:e34.
- Salpeter SR et al. (2006). Meta-analysis: effect of hormone-replacement therapy on components of the metabolic syndrome in postmenopausal women. Diabetes Obes Metab, 8:538-54.
Medical societies and government
- American Diabetes Association Professional Practice Committee (2024). 2. Diagnosis and Classification of Diabetes: Standards of Care in Diabetes-2024. Diabetes Care, 47:S20-S42.
- El Khoudary SR et al. (2020). Menopause Transition and Cardiovascular Disease Risk: Implications for Timing of Early Prevention: A Scientific Statement From the American Heart Association. Circulation, 142:e506-e532.
- The North American Menopause Society (now The Menopause Society) (2022). The 2022 hormone therapy position statement of The North American Menopause Society. Menopause, 29:767-794.
Expert voices (commentary, not research)
- Dr. Mary Claire Haver on Huberman Lab. How to Navigate Menopause & Perimenopause for Maximum Health & Vitality (podcast episode, June 2024).
- Dr. Sara Gottfried on Huberman Lab. How to Optimize Female Hormone Health for Vitality & Longevity (podcast episode, Jan 2023).
What's a good next step?
Start by learning, not buying. Read the short summary of this topic in the Women's Metabolic Clarity library at Pinnacle Coordinated Wellness, take the wellness DAITT® quiz, and bring the questions above to your clinician. If you'd like to see how a coordinated, done-with-you care team works, visit pinnaclecoordinatedwellness.com.
Read the library summaryTake the wellness DAITT® quiz
Questions to ask a licensed clinician
- What is my A1C and fasting glucose trend over the last few years?
- Do I have signs of metabolic syndrome?
- Would a fasting insulin test add anything for me?
- Am I at higher risk because of my family history, PCOS or past gestational diabetes?
- How might my sleep be affecting my blood sugar?
- How often should we re-check?
Bring these, a short symptom log and your medication list to your next visit.
Who is Dr. Pat Pachciarz®?
Dr. Pat Pachciarz® is the founder of Pinnacle Coordinated Wellness and Founder & CEO of The Pinnacle Group in Aurora, Illinois. He is a Certified Personal Trainer and Certified Nutrition Coach through the National Academy of Sports Medicine. He's the guide and educator here, not a clinician: he teaches how to think about coordination and what to ask your licensed clinicians. More about Dr. Pat Pachciarz®.
More answers
- What bloodwork should I ask for in perimenopause and menopause?
- Why am I gaining weight in perimenopause when nothing else changed?
- Should I lift weights or do cardio after 40?
- How much protein do I need to keep muscle after 40?
- Why can't I sleep through the night in perimenopause?
- Is my brain fog perimenopause, and will it go away?
- Is menopause hormone therapy safe? What changed in 2025?
- Is cortisol causing my belly fat in menopause?
- Why do I feel so guilty when I can't keep up with my workouts?
Also see Pinnacle Coordinated Wellness, drpat.co for the wealth and wellness crossover, and drpatclarity.com for family money questions.