In 2025, researchers in Switzerland developed a small wearable sensor that tracks hormone levels through sweat — offering a new way to understand menstrual cycles in real time.
This tiny device, worn like a patch, measures estrogen and progesterone fluctuations, helping women predict ovulation, PMS, and even signs of hormonal imbalance. It could revolutionize fertility awareness and cycle health management.
Imagine checking your phone and seeing your hormone balance the way you see your heartbeat — no more guessing why you’re moody, tired, or bloated.
This technology is still being tested, but it represents something bigger: a future where women’s bodies are finally studied, understood, and respected — not treated as mysteries.









