Ovusense: Fertility Monitor for Women with PCOS [Updated] - PCOS Diva
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Ovusense: Fertility Monitor for Women with PCOS [Updated]

Updated July 2020

by Amy Medling, founder of PCOS Diva

In 2014, I provided an overview of ovulation monitors on PCOS Diva http://pcosdiva.com/2013/08/ask-amy-ovulation-predictors-and-pcos/

I wanted to update you because since then my favorite monitor, Ovusense, has made some exciting upgrades.

Introducing…. OvuSense Real-time Fertility Monitor

What makes this monitor different and more effective is that it measures ‘core body temperature’ inside the vagina and therefore by passes all issues with luteinizing hormone (LH) which most ovulation predictors monitor. In women with PCOS, a higher LH-pulse rate will often mean traditional ovulation predictors are useless since they measure a LH surge. It has been shown that urine-based ovulation predictors are ineffective for over 75% of women with PCOS.  Women with PCOS have elevated LH hormone, so there can be many false positives early in cycle. Also, urinary LH measurement is only predictive of the onset of ovulation and cannot determine the date of ovulation or anovulation.

In addition to predicting ovulation with 99% percent accuracy, OvuSense is the only product on the market right now that will tell you if you haven’t ovulated in a given cycle (which is extremely important for PCOS with irregular cycles). It can also tell you the length of your luteal phase and show you your complete cycle pattern, more accurately than any other product on the market.

How does it work?

OvuSense measures core temperature using a clinically designed vaginal sensor, was developed to provide the same benefit as LH strips by predicting the onset of ovulation up to one day in advance in real time in each cycle. However, unlike ovulation predictor kits, the OvuSense method also enables a clinically accurate detection of the exact date of ovulation, and can help to diagnose ovulatory issues by charting an extremely accurate picture of progesterone levels throughout the cycle.

OvuSense takes temperature measurements in the vagina via a personal “sensor” (similar to a tampon) and you download your information the OvuSense app.  The sensor takes temperature readings every five minutes each night, when the body temperature is most stable. In the morning, you simply download your data to the app. Once your ovulation has been confirmed that, you can stop using the Sensor for that cycle. OvuSense is designed to collect and display information about your fertility in real time. It predicts ovulation using an accurate method during your cycle, and then detects ovulation.

The OvuSense will pinpoint the exact date of ovulation with 99% clinically proven accuracy which is the same as ultrasound.

OvuSense will also predict an 8-day “fertile window” for your following cycle. And if you have an irregular cycle as your fertility information updates during each cycle, the more cycles you use OvuSense, the more accurate the prediction is likely to be for future cycles.

So as long as you ovulate, even if it’s occasionally, OvuSense will be useful for you. In addition, because OvuSense is tracking and graphing temperature – the level of which is directly related to the level of progesterone – the temperature graph will help you better understand where you are in your cycle.

Rather than relying on outdated methods of tracking ovulation, which – if timed incorrectly – may miss ovulation altogether, women should feel empowered by obtaining their own data and knowing exactly when they are ovulating. This information not only helps inform their efforts for conception but can be brought to any doctor to help diagnose ovulatory conditions or identify problems that may be preventing ovulation from occurring.

Safe & comfortable

100% patients found OvuSense sensor comfortable to wear and easy to use.

It’s important to understand how the sensor has been made and tested and is classified as a Class 2 medical device, so when OvuSense confirms ovulation for you, it does so with 99% clinically proven accuracy.

The sensor material is medical grade silicone and is validated for continuous akin to a permanent implant (like breast implants, for example) use.  As a regulated medical device, there is extensive toxicity testing and is FDA approved.

An “Ovulation Promise”  

OvuSense also offers what they call an “Ovulation Promise” –  If you use OvuSense for 180 days / 6 months and OvuSense does not detect that you have ovulated, they will fully refund your money. Read more about this unique guarantee.

The price? $129.00 for starter pack with 60 days subscription and $299 for 12-month subscription. Find our more here: https://www.ovusense.com/us/store/

Use code DIVA2020 for 20%off!

OvuSense is also available in the UK, NL, DK, and Australia with more countries planned. For more information and to order visit  http://www.ovusense.com/us/PCOS-and-trying-to-get-pregnant

To learn more about how women are taking control of their fertility through their own cycle data, visit www.ovusense.com. If you have PCOS and are trying to conceive, join the PCOS Fertility Support Group on Facebook to be connected to thousands of women who are also going through this experience. 




My Favorite PCOS Fertility Tool [Podcast]

OvuSense- PCOS Fertility/Ovulation Monitor Update

How to Choose the Right Fertility App and Monitor

The Best Ovulation Predictor Kit & Fertility Monitoring for PCOS [Podcast]


Disclosure:  I am NOT an affiliate of OvuSense, but they do pay for advertising on this site.  Note that I only accept advertising from products that I have tried myself and believe in the benefits of the product.

Amy Medling Fall 2017


Amy Medling, best-selling author of Healing PCOS and certified health coach, specializes in working with women with Polycystic Ovary Syndrome (PCOS), who are frustrated and have lost all hope when the only solution their doctors offer is to lose weight, take a pill, and live with their symptoms. In response, Amy founded PCOS Diva and developed a proven protocol of supplements, diet, and lifestyle programs that offer women tools to help gain control of their PCOS and regain their fertility, femininity, health, and happiness.  


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  1. How does this monitor compare to the ovacue’s ability to detect ovulation in a woman with PCOS?