Simple, Convenient, Reusable

Having an innovative, easy to use, saliva ovulation fertility test with 98.9% proven clinical accuracy in the USA, is the most natural way to determine women's five most fertile days.

HCPCS Code A9270

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At the core of the KNOWHEN® product line is a strong foundation of scientific evidence.

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Number One

It is the MOST NATURAL WAY to watch women fertility
The KNOWHEN® Ovulation Test tracks your ovulation using only a drop of your saliva.
98.9% accurate (100% proven correlation with a doctor’s ovarian ultrasound examination). It is also 100% Safe, Natural and OB/GYN recommended. It has been rated the best ovulation predictor kit for years.
Great Value
Includes: Reusable Ovulation Test FREE Fertility Monitor App Exclusive & elegant, lipstick-like carrying case
Fast, Easy, Safe
Results in minutes, easy-to-use with no messy urine strips. It is the only clinically tested saliva ovulation test in the USA and is FDA Cleared, CE marked and Quality Guaranteed.