How Does a Saliva Ovulation Test Work?

Have you ever wondered how your body signals its most fertile days? Nature has provided us with a fascinating window into our fertility through something as simple as our saliva. 

When observed under a microscope, saliva creates unique crystallization patterns that can reveal valuable information about our fertility cycle. 

Let’s explore how this remarkable process works and how modern technology has made it accessible through saliva-based ovulation testing.

The Science Behind Saliva Ovulation Tests

Saliva ovulation tests are based on a simple but fascinating biological phenomenon. When a woman is near ovulation, her estrogen levels rise, leading to an increase in the salt content of her saliva. This change in the chemical composition of saliva triggers the formation of crystallized patterns known as ferning.

These fern-like patterns, resembling tiny fronds of a fern plant, are scientifically linked to peak fertility, providing a visual sign that ovulation is near. 

The presence of these patterns under a microscope is a telltale sign that you are in your fertile window, meaning that you have a higher chance of conceiving if you try to get pregnant around this time.

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How Does a Saliva Ovulation Test Work?

Saliva ovulation tests typically come with a portable microscope and reusable glass slides. Here’s a step-by-step guide on how these tests work:

  1. Collecting the Saliva Sample: First thing in the morning, before eating, drinking, or brushing your teeth, you collect a small amount of saliva. It’s essential that you don’t consume anything before collecting the sample, as food or drink can interfere with the results.
  2. Applying the Sample: Place a small drop of saliva on the glass slide. The amount should be sufficient but not too much, as a heavy application can distort the results. You don’t want bubbles, so ensure the sample is spread evenly.
  3. Drying the Sample: Allow the saliva to dry naturally for about 5-15 minutes. During this drying period, the water in the saliva evaporates, leaving behind the salt crystals that form the fern-like pattern. It’s important not to rush this step—make sure the sample is fully dry before examining it.
  4. Viewing the Results: Once dry, place the slide into the microscope and turn on the light. You’ll then observe the sample through the microscope to look for the ferning pattern. There are different types of patterns you might see:
    • No Ferning: This indicates a low fertility phase.
    • Partial Ferning: This suggests that ovulation is approaching.
    • Full Ferning: Full, fern-like crystals indicate peak fertility.

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The Knowhen Ovulation Saliva Test Kit: A Revolutionary Tool

Among the other saliva ovulation tests available, the KNOWHEN® Ovulation Saliva Test Kit stands out as a leader in the field. Designed by a passionate woman-led team, KNOWHEN® was born from a deeply personal journey to help women better understand their fertility.

With its FDA-cleared, clinically validated technology, KNOWHEN® uses a mini-microscope to detect the ferning patterns in saliva, offering an incredibly accurate and natural way to track ovulation. Here’s why the KNOWHEN® Ovulation Saliva Test Kit could be the perfect choice for you:

1. 98.99% Clinical Accuracy

KNOWHEN® has been validated through comprehensive clinical studies and proven to be 98.99% accurate in predicting ovulation. This makes it one of the most reliable ovulation prediction methods available today.

2. All-Natural Testing Method

Unlike other fertility tests that rely on chemicals or disposable materials, the KNOWHEN® test uses just a drop of your saliva—no waste and no harmful substances. It’s completely natural and non-invasive, giving you a stress-free way to track your fertility.

3. Cost-Effective and Reusable

With KNOWHEN®, you don’t need to buy test strips every month. The device is reusable, which makes it a more affordable option in the long run compared to disposable ovulation tests. Each device comes with several reusable slides that are easy to clean and maintain.

4. Smart Technology Integration

KNOWHEN® is not just a test; it’s a complete fertility tracking system. With the accompanying  KNOWHEN®LITE app, you can track your results, record your cycles, and predict your most fertile days with pinpoint accuracy.

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Why Choose a Saliva Ovulation Test?

Saliva ovulation tests like KNOWHEN® offer several benefits for women trying to conceive or those simply interested in learning more about their fertility cycles. Here are a few reasons why you should consider using this method:

1. No Hormonal Interference

Unlike urine ovulation tests, which detect LH (luteinizing hormone), saliva tests don’t rely on hormone levels, which can fluctuate due to various factors like stress or illness. The test simply detects the rise in estrogen, making it a reliable indicator of fertility.

2. Natural and Non-Invasive

Saliva ovulation tests are completely natural. There are no chemicals involved, and you don’t have to worry about the messiness or discomfort of urine tests. All you need is a drop of saliva and a few minutes of your time.

3. Economical in the Long Run

While there are many ovulation tests available on the market, many require you to purchase new test strips every month. Saliva ovulation tests are reusable, making them a one-time investment that can last for years with proper care.

4. Provides More Insight

Unlike urine tests that simply tell you whether you’re ovulating, saliva tests offer a broader view of your fertility cycle. You can track patterns over time and learn more about your unique fertility rhythm, increasing your chances of getting pregnant.

How Accurate Are Saliva Ovulation Tests?

Saliva ovulation tests can be incredibly accurate when used correctly. However, there are a few factors that can affect the results:

  1. Not All Women “Fern”: Some women may not see ferning patterns, even when they are at their most fertile.
  2. Consistency Is Key: The best results come from daily use, ideally around the 5-day window leading up to ovulation. Testing inconsistently or missing days can lead to inaccurate results.
  3. Environmental Factors: Smoking, drinking, or eating can interfere with saliva patterns, so it’s crucial to follow the instructions carefully. Also, humidity and extreme temperatures can affect the test results, so storing the device properly is important.

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Best Practices for Using a Saliva Ovulation Test

To get the most accurate results, consider these tips when using a saliva ovulation test:

  • Test First Thing in the Morning: Saliva samples taken after eating or drinking might yield inaccurate results. Testing first thing in the morning, before any food or drinks, gives you the best chance for an accurate reading.
  • Be Consistent: Testing daily will allow you to track patterns more accurately, helping you pinpoint your most fertile days.
  • Care for the Device: Store the test in a dry, cool place and clean the slides according to the manufacturer’s instructions to maintain accuracy.

Conclusion

Saliva ovulation tests are a powerful and natural way to track your fertility and gain insight into your body’s cycles. With KNOWHEN®, you not only get a highly accurate and cost-effective tool, but you also join a community of women empowered to take control of their reproductive health.

Whether you’re trying to conceive or simply want to learn more about your fertility, the KNOWHEN® Ovulation Saliva Test Kit offers a simple, reliable, and affordable solution. Empower yourself with natural fertility awareness and take the first step toward understanding your body’s rhythm today.

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Kim Tillinghast

Principal, Partner

Kim Tillinghast began her career in the banking industry in 1985. She graduated with a degree in Finance from West Texas State University in 1990 and has continued her education by earning her Series 24 General Securities Principal Exam and Certified Plan Fiduciary Advisor (CPFA™). Shortly thereafter she started her brokerage career at a traditional wirehouse in downtown Los Angeles, California in 1991. After relocating to Orange County, Kim became an independent financial advisor in May of 1993. She brings over 37 years in the banking and finance industry with experience ranging from designing, developing, employing and maintaining complex investment strategies, Pension Plans, Employee Stock Option Plans, Corporate Finance, Estate Planning and Transition. Outside of her career, she served as Co-Chair of the Dallas County Susan G. Komen Race for the Cure 2013 and 2014 and currently serves on the Board of the Tillinghast Society, Inc. With a deep love for animals, she continues to volunteer for multiple emergency animal response teams including Red Rover, HSUS, UAN, ASPCA and volunteers weekly at the Irving Animal Shelter. Kim also loves worldwide adventure travel and has many amazing experiences visiting almost half of the world’s countries and all seven continents, twice.

Karthik Muraliraj

CFP®, ChFC®, CLU®, RMA®, Partner

Karthik Muraliraj was raised in Fort Worth, Texas, and developed an interest in investing and economics at a young age. After graduating from the University of Texas at Austin with a Bachelor of Arts in Economics and a minor in Business, he started his career as a financial professional in 2008. Throughout his career, Karthik has continued to educate himself by gaining multiple designations. Since moving to Dallas, he has been an active member in the community—volunteering with organizations such as the network of Indian Professionals, Dallas Autumn Ball and Reading Partners. Karthik is an avid sports fan and enjoys supporting his alma mater as a proud member of the Texas Exes Dallas Chapter. In his free time, Karthik enjoys cooking, travel, fitness and spending time with this wife, son, dog, and cat.

Crystal Arredondo

MBA, CDFA®, CPFA™, Partner

Crystal Arredondo was born and raised in Germany. She moved to Texas following her parents’ decision to retire after serving an overseas career in the Armed Forces. Seeing firsthand the difficult transition to civilian life after retirement, Crystal obtained her MBA in Finance at the University of North Texas and began her career as a financial advisor. In 2009, she completed the Retirement Planning Specialist Program at the Wharton School of Business, University of Pennsylvania. In 2018, she earned her designation of Certified Divorce Financial Analyst® (CDFA®). In 2022, she earned the additional designation as a Certified Plan Fiduciary Advisor (CPFA™). As the daughter of an immigrant mother, she especially enjoys helping women and business owners make decisions that affect their financial independence. She served as the 2015-16 Chair for the National Association of Women Business Owners (NAWBO) and 2016-17 Chair for the NAWBO Institute of Entrepreneurial Development.

Philip Strunk

CFP®, CPA, Partner

Philip Strunk is a native of Houston, TX. Philip earned his Bachelor of Business Administration and Masters in Professional Accounting from the University of Texas at Austin’s McCombs School of Business. He earned his designation as Certified Public Accountant (CPA) in 2004 and CERTIFIED FINANCIAL PLANNER (TM) certification in 2010. Having started his career with Deloitte & Touche, LLP in 2005, Philip spent a year and a half in Deloitte’s Audit and Assurance Services group and provided a variety of financial services for a number of Fortune 500 companies. He decided in late 2006 that his talent and passion for investments were best suited for working with smaller groups and individuals. After obtaining the required securities registrations and insurance licenses, Philip became a financial advisor. The impact was plainly visible and more fulfilling. Philip serves as the Investment Director for MPACT.

John C. Farris

CAP®, CFS®, Partner

John C. Farris is a founding partner and has more than forty years in both public and private business serving in a variety of management and leadership capacities. John completed the Retirement Planning Specialist Program at the Wharton School of Business at the University of Pennsylvania earning the Retirement Planning Specialist designation. John and his family have a history of philanthropic giving through numerous non-profit organizations. John recently completed his designation as a Chartered Advisor in Philanthropy® (CAP®). He is also a member of The International Association of Advisors in Philanthropy. His primary goal is to help people give intelligently with love and thereby experience the true joy of helping others. John lives in Park Cities and has served on the Public Works Advisory Council, as finance director of the BSA West Park District, the BSA Troop 82 Executive Board, and as a BSA Assistant Scoutmaster for Troop 82, Dallas, Texas.