Knowhen About
About KNOWHEN®
Empowering Women
Through Natural Fertility Awareness
Every breakthrough begins with a story. For KNOWHEN®, it started with our founder Helen Denise’s personal journey through an ectopic pregnancy in the early 2000s. This life-altering experience transformed her mission in life—from a successful career woman to a passionate advocate for women’s fertility awareness and health education.
Born from this profound personal experience, KNOWHEN® has emerged as the pioneer in saliva-based ovulation testing in the United States. As the first FDA-cleared over-the-counter fertility monitor of its kind, we’re proud to offer women a natural, reusable, and remarkably accurate way to understand their fertility cycles.
Every breakthrough begins with a story. For KNOWHEN®, it started with our founder Helen Denise’s personal journey through an ectopic pregnancy in the early 2000s. This life-altering experience transformed her mission in life—from a successful career woman to a passionate advocate for women’s fertility awareness and health education.
Our Innovation in
Fertility Awareness
-
99% Clinical Accuracy
Validated through comprehensive U.S. clinical studies in 2014 -
All-Natural Testing Method
Uses just a drop of saliva—no chemicals, no waste -
Cost-Effective Solution
One reusable device replaces months of disposable tests -
Smart Technology Integration
First-ever fertility app combined with an ovulation test -
Comprehensive Support
Educational kits and mobile app for complete fertility tracking
The KNOWHEN® Difference
At Hilin Life Products, we believe that understanding your body shouldn’t be complicated or costly. Our mini-microscope technology detects subtle changes in saliva patterns during ovulation, providing clear, accurate results every morning. This simple yet sophisticated approach has transformed family planning for women worldwide.
Our Commitment
to Women's Health
- Empowering women through scientific, natural health solutions
- Solutions Making fertility awareness accessible and affordable
- Supporting both conception and natural family planning
- Educating young women about their body's natural cycles
Looking to the Future
Under Helen’s continued leadership, we’re constantly advancing our technology while staying true to our core mission. As we develop new fertility awareness solutions, we remain committed to blending scientific precision with natural approaches to women’s health.
KNOWHEN® isn’t just a product—it’s a movement toward a better understanding of women’s bodies, backed by science and inspired by personal experience. Whether you’re planning to conceive, seeking natural family planning options, or simply wanting to understand your body better, KNOWHEN® provides the accuracy and support you need for your journey.
Join the thousands of women who have discovered the natural way to monitor their The most <strong style=”color: #9654a7″>natural way</strong> to watch <BR>your fertilityfertility with KNOWHEN®—FDA-cleared, clinically proven, and personally empowering.
Ovulation can be detected by various signs not readily discernible by anyone other than the woman experiencing them. Women nearing ovulation experience changes in their cervix and the mucus it produces along with their basal body temperature.
Watch the Video
Latest Blog
Introduction to Women's Body, Ovulation, Fertility, and Reproductive Health
Understanding your body is one of the most empowering steps you can take towards maintaining your health and well-being.
Understanding Your Ovulation Cycle as a Woman
Men's Fertility and Infertility
Starting a family is an exciting milestone that many couples dream about. Yet, the journey to parenthood isn’t always straightforward, especially when fertility challenges arise.
Our Happy Mothers
