Introducing Dr Alan Lindemann & Behind the Breakthrough Ovulation Test

KNOWHEN® Saliva Ovulation Test

First approved by the FDA in 2009 and clinically tested in the USA for 98.9% accuracy in 2014, the KNOWHEN® Saliva Ovulation Test helps you pinpoint your five most fertile days using just a drop of saliva. Take charge of your fertility journey and enhance your natural conception chances from the comfort of your home.

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  • The KNOWHEN® saliva test has been a fantastic addition in our quest for pregnancy. It is so empowering to have a visual component to see your own hormone changes and predict fertility.


  • It is so much cleaner to use and less wasteful than the plastic monitors and plastic urine sticks.


  • Fabulous pregnancy tool! Very accurate, worth the money spent! I am pregnant now, personally, for me, it worked like a charm.

    -Judy L. Davis

  • I Love this! Take control of your fertility. You will thank yourself. 

    -Ashley Hernandez

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  • Trying to Conceive

    Whether you’re starting your family or facing challenges conceiving again.

  • Cycle Irregularities

    Ideal for those with irregular cycles, thyroid imbalances, or PCOS.

  • Understanding Your Body

    Gain insights into your body and cycles, whether or not you're planning for pregnancy soon.

Why Choose KNOWHEN®?

Ease of Use

No urine required. Use it anywhere or in the privacy of your home to check if you are ovulating.

How it works

Innovative Technology

Patented technology exclusive to KNOWHEN®, registered globally since 2011.

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Eco-Friendly & Cost-Effective

KNOWHEN® is a sustainable choice that reduces environmental impact and eliminates recurring purchases.

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KNOWHEN® in the Media