femSense uses the most up to date version of the temperature method to measure and confirm ovulation and then notify you of detection in the femSense app.
A very precise and medically certified temperature sensor embedded in the femSense patch measures the body temperature continuously, 24/7 for up to 7 days during your fertile window. You will be notified when your ovulation has been detected.
The days shortly before and just after ovulation are your fertile window, the time in your cycle when you can get pregnant. Unprotected sex during the fertile window can result in pregnancy.
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