When you’re trying to conceive a baby, knowing your fertility window is crucial, as it will help you get the best results.

Thankfully, modern science and technology can offer you a huge variety of ways to track important physiological parameters, such as basal temperature and hormone concentration. One of these ways is using a fertility monitor. With this device, you can not only monitor your ovulation but also store the data about your cycle in a mobile app.

So, if that sounds like exactly what you want, check the reviews of 5 best fertility monitors right below and learn about some peculiarities of these devices.

5 Best Fertility Trackers on the Market

Mira Fertility Tracking Monitor

This tracking device is among the best fertility monitors due to its ease of use and intuitive interface. The device tracks the levels of luteinizing hormone in your urine and predicts the ovulation and chances of conception based on this info.

So, you just need to insert the test strip with a urine sample into the Mira analyzer and let it do the job. The analyzer will automatically sync the data with the app — available both on iOS and Android — and give you the ‘ovulation score’ to determine the success of your conception on any given day.

Along with that, the Mira can predict your cycle based on gathered info and provide you with personalized fertility advice.

The standard configuration of the Mira fertility kit includes 10 LH test strips, the Mira analyzer, charger, battery, carrying pouch, and user manual.

Pros Cons
Makes predictions based on the most accurate sign of ovulation Works with only one marker of ovulation
Convenient and intuitive app A bit pricey for its functionality
FDA certified Requires buying test strips
Comes with a rechargeable battery
Predicts up to 6 fertile days

 

Femometer Vinca Basal Thermometer for Ovulation

Another top-rated fertility tracker on the market today is Femometer. It’s a basal temperature monitor with an app, which will help you monitor your temperature fluctuations and predict the chances of conception based on them.

The thermometer automatically activates when you pull the lid off and deactivates when you put it back, so it’s incredibly easy to use. Moreover, it’s pretty fast and sensitive: taking the measurements won’t require more than 30 seconds, and the device will detect even the slightest temperature fluctuations.

A subtle lipstick-like design allows for easy carrying your device around and measuring the BBT when needed.

Pros Cons
Discreet design; can be carried around with ease Limited to measuring one parameter only
Provides accurate measurements Has a bit noisy alert
Affordable
Made of quality materials
Easy to clean and maintain

 

Ovacue Fertility Monitor

Another model in this review of the best fertility monitors uses saliva and cervical mucus testing to determine your fertile window. This eliminates the need for buying test strips — which is good for both your wallet and our planet — while still giving you the precise results you need.

So, the monitor has two sensors, oral and vaginal, and detects estrogen-impacted electrolyte changes in the corresponding fluids. 

First, you need to use an oral sensor to determine the changes in the electrolyte resistance in your saliva. After a couple of days, the app can make a trend based on your recordings, marking the beginning of your fertile window (blue squares on the calendar) and predicting low or high chances of ovulation (light and dark blue shades, respectively). 

After your fertile window begins, you may want to start using the vaginal sensor as well. This sensor will detect the switch from estrogen to progesterone dominance in your cervical fluid, which is the sign that ovulation has occurred. The pink box, indicating ‘possible ovulation’ will appear on the calendar.

The Ovacue works for women with irregular cycles and offers you up to 7 days of advance notice.

Pros Cons
Provides accurate readings Might be a bit complicated to use at the beginning
Easy to maintain and user-friendly On the expensive side
Gives you up to 7 days of advance notice
Testing takes just a few seconds
Great for women with an irregular cycle

 

Lady Comp Fertility Computer 

Moving down the list of highly rated fertility monitors, and here’s the Lady Comp. This device allows you to track the basal temperature and has a 99.3% level of effectiveness.

To take the measurement, you need to place the thermometer under your tongue. The manufacturer suggests that you need to take measurements every morning at about the same time. That’s why the alarm feature is included — now you surely won’t miss it.

Also, there’s an M-button you need to tap when you have menstruation. This will allow the device to make more precise predictions on your cycle, thus increasing your chances of conceiving.

You can personalize the device by adjusting brightness, choosing the alarm sound, or entering your BMI.

The device operates on two rechargeable AAA batteries (included) and stores your data for 180 days.

Pros Cons
Quick and easy-to-take measurements You need to input some data by yourself
Has a built-in alarm to remind you to take the test Buttons are a bit small
Predicts up to 6 fertile days Quite pricey
Stores your data for 6 months
Can be personalized

 

ClearBlue Fertility Monitor 

Being one of the best fertility trackers currently available on the market, the ClearBlue does its job and is widely recommended by the specialists.

The device tracks the levels of estrogen and luteinizing hormone in your urine and can store up to 6 of your past cycles in its memory. This makes the Clearblue very suitable for women with irregular cycles, as well as for those whose cycle length slightly varies from time to time.

The device itself has an easy-to-understand interface and convenient touch-screen, which makes it incredibly easy to use. Along with tracking your fertile window, it allows you to input the days when you have your period or had sex. So, eventually, you get a structured record which you can discuss with your gynecologist.

Pros Cons
Tracks levels of two key hormones instead of LH only Test strips are sold separately
Can store up to 6 cycles in memory Requires at least one month of use before it can give you precise data
Allows you to track your period as well
Recommended by many specialists
Suitable for women with irregular cycles

 

What Is a Fertility Tracker?

A fertility monitor or fertility tracker is an electronic device that helps you track your fertile window and increase the chances of conceiving.

This device allows you to track different body parameters that signal about ovulation, such as:

  • hormonal changes in your urine or saliva;
  • the fluctuations of your basal temperature;
  • the electrical resistance of saliva or vaginal fluids.

If you have a more advanced device, you may be able to track all of the above.

So, when you’re planning a pregnancy, instead of trying to figure out the most suitable days to conceive on your own, you can just use a special device that will do the work for you. Besides, almost all modern fertility monitors can be synchronized with a mobile app, and hence, provide you with a detailed record of your cycles, which you can discuss with your gynecologist.

How Do Fertility Monitors Work?

To answer this question, let’s briefly walk through the processes that happen in a woman’s body prior to, during, and after ovulation.

According to science, ovulation typically happens between the 11th and 21st day of the menstrual cycle. During this period, the levels of the luteinizing hormone (LH) go up, triggering the release of the most mature egg from the follicle. Along with that, estrogen levels begin to drop, and progesterone — the hormone that helps stabilize the uterine lining so that the fertilized egg can stick to it — takes the lead.

The basal body temperature — also known as the temperature of the resting body — rises before and during the ovulation under the influence of LH and progesterone.

These are the main body changes that happen during the ovulatory phase of your cycle. So, the purpose of a fertility tracker is to track and monitor these changes to determine the days when chances of conception are the highest.

Types of Trackers

Now, based on the information above, we can distinguish three main types of fertility trackers. Here they are:

  • Basal temperature thermometers. As the name implies, these devices measure the basal body temperature. Typically, you place them under your tongue for 30-60 seconds to take the measurement, and then the tracker will load the data into the memory or sync it with your mobile app to provide you with statistics.
  • Hormone trackers. These usually require you to take a urine test to determine the fluctuations of LH, progesterone, and estrogen. They also are the closest to resemble a standard ovulation prediction kit.
  • Electrolyte trackers. These devices work roughly by the same principle as the previous ones, except they collect the data about the electrolyte changes caused by hormones in your bodily fluids. Some of them also have a built-in hormone detector and can offer you more precise measurements.

“Some fertility tracker apps allow you to input the data about your period or days when you had sex to make more accurate predictions.”

The Difference Between Fertility Monitor and Ovulation Kit

Now, since many of the modern fertility monitors resemble ovulation kits, things can get a  

bit confusing for those who are trying to conceive. So, let’s clarify the main differences between these two things and outline the situations in which you can make the most of each one.

So, an ovulation kit is designed to track the LH surge in your urine or saliva. It can predict ovulation several days in advance. 

The kit looks like a standard pregnancy test and includes a test strip with two lines. The first line is a control line indicating that the kit is working. The second line is a test line, and when it gains the same or darker shade as the control line, this means that your luteinizing hormone is at its peak.

Sounds pretty simple, right?

But there’s something else you should know:

  • It can predict the ovulation within a 24 or 48-hours window. The tricky part here is that the LH surge can pass quickly, which makes it easy for the test to miss it. Besides, 1 or 2 days may just be not enough to make it happen.
  • It may not suit women with irregular periods. If that’s you, your test may show you several LH surges but will remain unclear which one corresponds to the ovulation.

Also, note that some medical conditions, such as polycystic ovarian syndrome, can warp the measurements of a single-use test.

Now, a fertility monitor is, basically, a variation of an ovulation kit, with several differences:

  • It does a more thorough job. A fertility tracker, aside from luteinizing hormone, also monitors the levels of estrogen and progesterone, so you will get more accurate readings.
  • The app allows you to store data for several cycles straight. This way you can track some patterns in hormonal changes without having to use a thousand calendars or store this information in your head.
  • A fertility monitor is more suitable for women with irregular cycles. If you have different cycle lengths, your fertile window shifts every month as well. While single-use kits may not work in this case, a fertility monitor will cope perfectly.

Along with that, fertility monitors can notify you about the most fertile days in advance, so you can plan your conception more effectively to achieve the needed result.

“Fertility trackers use artificial intelligence algorithms to build their predictions, so you will get the most personalized recommendations based on your input.”

Bottom line?

If you want a more thorough and accurate ovulation prediction, or if you have irregular cycles or certain medical conditions, then investing in a fertility monitor can be a great solution.

Advantages and Disadvantages of Using a Fertility Tracker

The main benefit of using a fertility tracker is, undoubtedly, that it does its job — it helps you plan a baby. But there also are other good sides to this way of tracking your ovulation:

  • Near-perfect results. The most accurate way to detect ovulation is to go through an ultrasound ovarian scanning. According to healthcare practitioners, this method offers 100% accuracy. But according to a review published in CMAJ, modern fertility trackers can offer you from 94% to 97% accuracy. 
  • Multiple uses. You can use a fertility monitor more than once, unlike ovulation kits. And it saves the data to give you a more personalized user experience.
  • Interactive charts and cross-platform design. Most fertility trackers come with a convenient smartphone app with an intuitive design. Also, if you register an account in the app, you may get a possibility to transfer the data to any of your devices or send it via email to your gynecologist.
  • Versatility and customization. You can use your fertility monitor as a period tracker too. If your model allows for that. 

But since nothing in this world is perfect, fertility monitors also come with a couple of downsides:

  • You may need to buy test strips. Unless your fertility tracker utilizes its built-in sensors, chances are that you will need to buy compatible test strips, which may cost you quite a lot.
  • Not the cheapest option. Modern devices typically cost somewhere between 200-300 dollars, which might be too expensive for some people.

Also, models that operate on rechargeable batteries (which is about 90% of all trackers on the market) typically have short battery life and may require you to buy new batteries frequently. Which means more expenses in case you want to use your tracker for a long time.

How to Choose the Best Fertility Monitor?

 

Now that you understand how fertility monitors work, you’re left with one single step: choosing the most suitable model among the dozen on the market.

And these tips will help you make the right choice.

Check the Type

Today, all the fertility trackers fall into two large groups:

  • Wearable devices. These are usually limited to tracking your basal body temperature (and sometimes heart rate) but are very convenient to use. So, if you think that this parameter alone is enough to predict your ovulation window, you can opt for a wearable device.
  • Digital trackers. Devices of this type are more common and allow you to track more parameters. Their drawback is usually a higher price tag, but if you need more precise predictions, then a digital tracker will be the best option for you.

Opt for Certified Models

While all fertility monitors can provide a similar level of accuracy, using a device that is approved by the FDA or has some scientific background behind it is a reasonable idea.

Thankfully, the information about studies that involved the use of a particular tracker usually isn’t something the manufacturer will try to hide from you. Thus, finding an approved device may be much easier than it seems.

Consider Different Designs

Fertility trackers today come in different shapes and sizes. And since we are all different, you may want to consider this factor too, based on what is convenient for you. For example, if you travel frequently, you may opt for a more compact model that won’t take much space in your carry-on bag. The best thing is, even with a portable design, your fertility tracker will still be able to provide you with detailed and accurate results.

Frequently Asked Questions

What type of fertility monitor is the best?

According to science, the most precise ovulation predictions come from the fluctuations in the levels of hormones. So, technically, the best type of fertility monitor is the one that uses these measurements.

How accurate are fertility trackers?

Well, there’s no such thing as ‘the most accurate fertility monitor’, because each woman’s body is unique. Yet, every type of fertility tracker on the market today can offer you a very high level of accuracy to help you get pregnant.

How long do I have to track my fertile window?

As long as it takes you to conceive a baby. Or, to determine possible fertility issues — in case this method of tracking didn’t bring you the result you expected. 

Will a fertility monitor work for women who are more than 30 years old?

You can use a fertility tracker as long as you are fertile — meaning as long as you have regular menstruations and your healthcare specialist doesn’t detect any issues. Moreover, even if you have an irregular cycle, a fertility monitor can still help you track hormonal changes, and it will do this more accurately than a regular ovulation kit.

Final Word

Fertility monitors are electronic devices that can track the main signs of ovulation. They are the most advanced fertility devices up to date, as they allow you to monitor several parameters at once, and use conventional methods of storing and organizing the data through mobile apps, without lots of manual tracking. 

Among the dozens of models on the market, devices like the Ovacue fertility monitor track several parameters at once and are the most accurate and efficient. They might require some learning curve but are the best choice for those who have irregular periods or polycystic ovarian syndrome.

But if you want a simpler device to track your basal temperature only, go for the Femometer. It’s compact and very convenient to use. And despite being pretty basic, it can still store and sync your data to determine your body patterns and predict the best day for conception.

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