Identify your most fertile days with femSense. Every 5th user is pregnant within just 3 months.

Hormone free
Medically certified

»I spent six months unsuccessfully trying to get pregnant, then I discovered femSense and after only three cycles it finally happened. Now I am 12 weeks pregnant and delighted!«

Julia M.

Kinderwunsch Ovulation Detection

Get pregnant

When you are ready to start a family: the femSense Kinderwunsch patches measure your body temperature up to 1000 times, over 5 to 7 days in order to accurately identify your ovulation.

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Buy Patch

femSense patches are available from our Webshop or via the femSense app. Each packet contains 3 patches for 3 cycles, which are usually worn for an average of 5 to 7 days.


Download App

Download the app for free from the App Store, register, and start the Kinderwunsch Ovulation Detection function. The algorithm can then calculate when to apply the first patch.


Apply Patch

Apply the patch in the correct position under your arm and read from the app when your most fertile days are expected. femSense will give you step by step instructions on its use.

What makes
femSense special

NFC Technology

NFC works without radiation and is used daily by millions of people in contactless payment transactions. The femSense patch can be read using NFC by nearly every Smartphone.

High Precision Sensors

Exact temperature measurements without any effort: The wafer-thin temperature sensor measures reliably, without you even noticing.

Continuous Measurement

Body temperature rises by approximately 0.2°C during ovulation. femSense measures your body temperature up to 1000 times during your fertile window and compares the results from several days in order to calculate the exact time of ovulation.

Any Questions?

This way to FAQs

Cycle Tracker

Easy to use with 100% Data Privacy.

Follow your cycle and be sure that your personal and private data is in safe hands. With the femSense Cycle Tracker you can get to know your own body and plan your life accordingly, knowing your data will never be sold to a third party.

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App for iPhone 7 and higher
NFC Compatible Android Smartphones