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The Clearblue Fertility Monitor Compared to kegg

We were recently asked how kegg differs from the Clearblue Fertility Monitor. While the goal is similar, to help the user determine when to time intercourse for conception, they are vastly different devices with differing limitations. Let’s explore!
kegg fertility tracker and clearblue lh monitor
andrea

Andrea Grace

Community Manager at kegg
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What is the Clearblue Fertility Monitor?

The Clearblue Fertility Monitor is a device designed to help determine the fertile days of each cycle. The user urinates on a fertility test stick and the test stick is then slid into the Clearblue Fertility Monitor which detects the estrogen and luteinizing hormone (LH) levels. The monitor does not provide values for these hormone levels but instead indicates if fertility is LOW, HIGH, or PEAK after each reading.

Key Features:

  • The monitor has a touchscreen to allow the user to input her period, follow the directions for which days to use the fertility test sticks, and to read the fertility predictions (LOW, HIGH, or PEAK).
  • A test is completed with first-morning urine within a 6-hour timeframe.
  • The monitor indicates which day to use a test stick-either 10 days or 20 days depending on cycle length. 
  • Requires 10 or 20 test sticks per month depending on cycle length
  • Typically indicates 3-6 days as fertile
  • Test sticks are single-use
ProsCons
Monitor has calendar featureTakes 5 minutes to result
Allows you to identify fertile window as it is happeningMust use first morning urine
Can be used with long and irregular cyclesHas ongoing cost (10-20 sticks per cycle)
 Cannot see precise results: Only get readings of Low, High, or Peak.
 Only stores 6 cycles worth of data
 Limited customizable data: Can only input period, intercourse
 Generates waste from sticks and wrappers

Investment: $130 for monitor, $35 for 30 test sticks
Year 1 Cost: $270-410
Year 2 Cost: $140-280
3 year cost of ownership: $550-970 (dependent on cycle length)

What is kegg?

kegg provides precise cervical mucus tracking and an advanced fertile window prediction by sensing the electrolytes present in the cervical mucus. kegg readings are plotted on a chart along with the green fertile window prediction.

kegg fertility chart vs clearblue

As estrogen rises and ovulation approaches, users observe their readings descend into a “valley.” After ovulation when progesterone is rising, readings will then trend upwards once again. While users can watch this trendline unfold, kegg’s intelligent algorithm detects this pattern to predict when the user will enter their fertile window, in advance.

kegg is used daily for 2 minutes. The kegg app provides both written predictions as well as plotted results on the kegg chart. The app allows the user to enter several individual biophysical measurements, such as Basal Body Temperature, cervical mucus observations, LH, PdG, protected versus unprotected intercourse, pregnancy, and more. 

Key Features:

  • A small device used vaginally 2 minutes a day to predict the fertile window 
  • It doubles as a kegel ball
  • Sleek, durable design
  • Comes with charging cradle
  • kegg results display on a graph with the predicted fertile window in green. The user can see daily results plotted on the chart
  • Uses an intelligent algorithm that learns the user’s cycle trends for accurate predictions
  • Reminder Notifications to help your consistent usage
ProsCons
User can see both written predictions and view results on chartMust be used within the same 2 hour window daily
Provides objective assessment of cervical fluidCannot provide fertile window predictions for cycles greater than 40 days or shorter than 21
Doubles as a kegel ballNot recommended for those with PCOS, before the period returns postpartum, or while breastfeeding.
Does not require disposable products like test sticks for use 
Allows user to input numerous biophysical parameters 
Has customizable calendar feature 
May be scheduled for use during anytime of the day  
Has reminder alarm
 
Takes only 2 minutes per day
 
Creates no daily waste
 

Investment: $259* for kegg. App is free
Year 1 Cost: $275
Year 2 Cost: 0
The 3-year cost of ownership: $259

Concluding Thoughts:

Both the Clearblue Fertility Monitor and kegg are designed to predict when the user may potentially be fertile but do so by very different mechanisms. The Clearblue Fertility Monitor uses test sticks that detect LH and estrogen, while kegg detects the electrolytes present in the cervical fluid. While both devices provide the user with written fertility predictions, kegg allows the user to see their results plotted on their chart for a more comprehensive predictive picture. 

In addition, cost of ownership is significantly higher with the Clearblue Fertility Monitor despite the slightly higher initial investment with kegg. The kegg app allows the user to input other fertility tracking data, such as their temperature, whereas the Clearblue Fertility Monitor is limited to only the user’s period and intercourse. One of the most notable differences that sets kegg apart from the Clearblue Fertility Monitor is kegg’s predictive algorithm. kegg “learns” the user’s cycle trends in order to provide accurate predictions in advance. 

Your turn! Do you have experience with both kegg and the Clearblue Fertility Monitor? We would love to hear about your experiences. Write to us at hello@kegg.tech

*Newsletter subscribers get $20 OFF + FREE Shipping by using the code WELCOME (this code allows you to receive a FREE Proov test)

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