What to watch with HbA1c and Wechseljahre?

HbA1c (glycated hemoglobin) is a key long-term blood sugar marker reflecting average glucose over the past 2–3 months. During menopause (Wechseljahre), hormonal shifts—especially declining estrogen—reduce insulin sensitivity, often leading to higher HbA1c levels and increased risk of metabolic syndrome, weight gain, and type 2 diabetes. However, HbA1c is not a perfect measure: factors like anemia, iron deficiency, kidney disease, hemoglobin variants (e.g., thalassemia), and hormone replacement therapy (HRT) can distort results. A single elevated HbA1c during menopause must be interpreted clinically. Consumer home tests may provide a number but lack context for these confounders. For reliable assessment, medical follow-up with fasting glucose, oral glucose tolerance test, and insulin levels is recommended. Safety note: HbA1c alone does not diagnose diabetes; confirmatory testing is required. Evidence is mixed: the menopause–glucose link is well-established, but consumer test accuracy and individual variability limit certainty.