Trusted by 20,000+ couples

Plan your pregnancy with confidence

kegg® is a medical-grade fertility tracking device that gives you accurate and personalized fertility tracking through cervical fluid in just 2 minutes a day.

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Accurate fertility tracking that fits seamlessly into your daily routine.

Cervical Fluid Tracking

Through Cervical Fluid sensing technology, kegg predicts your unique peak fertility.

More accurate than BBT

Clinical evidence supports that kegg readings can more accurately determine fertile window than basal body temperature.

Only 2 Minutes Per Day

Fertility insights at your fingertips in just moments. No need to change your routine or wear it overnight.

Personalized For You

kegg’s algorithm provides fertility predictions that are unique like you.

Track your key fertility sign: cervical fluid

Cervical fluid changes with the hormonal fluctuations of the cycle. As a result, kegg users can identify their full five-day fertile window. Gain an in-depth understanding of your cycle and feel empowered by confidently timing your trying to conceive efforts during your most fertile days.

How kegg works

12 Months

Pregnancy Guarantee

If you are not pregnant within 12 months, you get 100% of your money back. Learn more.

Trusted by

20,000+ women

who used kegg on their trying to conceive journey.

How does kegg work?

3 Simple Steps in Just 2 Minutes Per Day

Step 1

Once per day, insert the ball-shaped portion of kegg inside your vagina with the tail remaining outside, facing forward.

Step 2

Feel one vibration to signal that the reading has begun and after two vibrations the reading is complete.

Step 3

View your results on the cycle graph. If you choose, record other fertility notes such as BBT, sexual activity, LH tests, and more.

Trusted by

“The best fertility monitor tracking cervical mucus.”

“kegg is powering the next-generation of fertility monitoring”

“Meet the Women’s health company disrupting the wearable space.”

“kegg is redefining the future of fertility industry.”

Customer stories

Listen to real customers talk about their experience


More accurate than tracking temperature. kegg uses cervical fluid.

Cervical fluid is the key sign to knowing your fertile window and peak fertility. Clinical evidence supports that kegg readings can more accurately determine the fertile window than basal body temperature tracking.

Science behind kegg


Our customer support is available Monday to Friday: 8am-8:30pm.