+58%
The Hidden Reshaping Behind the Number
Visceral fat surges 58% across the transition — while total weight barely changes (+1.3 kg). Fat and muscle silently swap places without the scale showing it.
Withings Research · 2026
What 2.5 Million Women Reveal About the Menopause Transition
The world's largest real-world study — across 11 countries, 8 health domains and 6 reproductive stages.
4×
How Heart Health Converges
AFib prevalence quadruples from early reproductive years to late postmenopause. Arterial stiffness rises 27%. Women's cardiovascular profile progressively converges toward men's.
44.5%
Women Discover It a Decade Too Late
Nearly half of women don't report perimenopause until age 50+ — even though measurable changes begin in their early 40s.