The femSense ovulation tracker is the fastest way to find out when you are most fertile so you can plan accordingly. A clinical study proved the accuracy of the sensor patch, and an independent Swiss statistics institute has confirmed that femSense is 99.73% accurate when predicting ovulation.

Based on the well-known temperature method, femSense ovulation tracker temperature patch measures your body temperature during your fertile window, the algorithm interprets the temperature measurements, and the app gives you daily updates on your fertility status.