Daysy is a fertility monitor that learns and tracks your menstrual cycle. With daysy, you can plan or prevent pregnancy just as you choose. Daysy will show you if you are fertile or not with an accuracy of 99.3%, is all natural and side-effect free. Every morning, take your temperature under your tongue and confirm menstruation on the days you have it. Daysy evaluates your data and calculates your fertility status for the next 24 hours.
The fertility monitor takes your basal body temperature (BBT) every morning when you wake up, with the most advanced temperature sensor (1/100 of a degree precision). It then automatically compares it with its bio-mathematical forecasting software and stored information of all available family planning research.