Kinderwunsch Ovulation Detection.
Simple and Natural.

Save €10!
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In stock.
Usually shipped in 24h.

for iPhone 7 and higher or
Android Smartphones with NFC
More than 20,000 women have already put their trust in femSense

What is new?

new algorithm
more precise
free shipping
A blonde woman holds her baby lovingly head to head.

Get pregnant quicker with the hormone free basal body temperature patch

How it works


Purchase Patch

femSense patches are available from our Webshop or via the femSense app. Each packet contains 3 patches for 3 cycles.


Download App

Simply download the app from the App Store, register, and enter your personal details. The algorithm can then calculate when to apply the first patch.


Apply Patch

We will advise you when it is time to stick on the first patch, which days we have calculated to be most fertile, and when to remove the patch again, 7 days at the most.

One third of women worldwide who want to start a family have difficulty getting pregnant.

The reason is often insufficient understanding of their own cycle and not knowing exactly when they ovulate. Conception is only possible during a very short time frame around ovulation.

A menstrual cycle graphic. The left-hand vertical scale illustrates the body temperature from 36,0℃ to 37,5℃ the lower horizontal scale illustrates the hormonal phases; longdesc="" the follicular phase, fertile days, ovulation and the luteal phase. The upper horizontal scale are the days of the menstrual cycle, 1 to 28. The graphic illustrates the rise in temperature immediately after ovulation as well as the increase and decrease of oestrogen, progesterone and LH (Luteinizing hormone) during the menstrual cycle. Day 1-11 is the follicular phase where oestrogen levels are rising, days 12 -15 are the fertile days, during this time a sharp rise in LH causes ovulation and a rise in the basal body temperature. Days 16 - 28 is the luteal phase during which time progeserone levels rise.


During ovulation the body temperature rises by a few tenths of a degree – and a woman is only fertile around the time of ovulation. If you can detect this rise in temperature you can identify ovulation at the same time.

The femSense System

femSense Kinderwunsch Ovulation Detection uses the most natural methods, trusted by generations of women, to help women identify the optimal time to get pregnant. It is made up of two parts: a temperature-sensitive sensor embedded in an adhesive skin patch, and the supporting app.
A Photo of Sarah, a femSense user.

„For right now and for in the future“

My absolute favourite app! But I´ll keep the Kinderwunsch Ovulation Detection option open for another while :)

Sarah R.
femSense User

A photo of Dr. Michael Schenk, Medical Specialist in Gynaecology and Obstetrics. Expert in Clinical Embryology.


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.

A photo of Idia O, a femSense user.

„A Gift“

Wear the patch for a few days during my cycle, get a read out on my phone and pinpoint my fertile days. so easy!

Idia O.
femSense Kinderwunsch User

What makes femSense Kinderwunsch special

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 the body temperature up to 1000 times, over several days and compares the results in order to accurately identify ovulation.

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 almost every Smartphone and will be availble for Android very soon.

Any Questions?

This way to FAQs