Easy Two-Step Process

Download the App

Order your patches and download the femSense app. Log cycle dates and symptoms. When it's time, the app prompts you to apply the patch.

Apply the Patch

The patch measures your temperature continuously to track the pattern for ovulation. Scan the patch 2+ times a day to confirm ovulation.

99.73% Certainty

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.

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FDA-Cleared

Hormone-Free and Natural

Measures Temperature 24/7


No More Charting

No Peeing on Sticks

No More Temp Alarms

"I recommend the discreet sensor patch to all my patients. The continuous temperature measurement possible with the patch is truly revolutionary."

Dr. Schenk, MAS

Medical Specialist in Gynaecology and Obstetrics. Expert in Clinical Embryology.

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Plan Pregnancy

Use femSense to get pregnant faster.

Fertility Tracking

Use femSense for fertility awareness.