alexis's profile

2 Messages

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130 Points

Wednesday, April 26th, 2017 2:42 PM

Two different results on two different machines

Hello,
I began testing on Day 8 of my cycle with a clear blue digital advanced kit that I had used the cycle prior. The first day I used my first morning urine and got a low result. I tested again on Day 9 and got a peak reading. I bought another kit an began testing that evening of day 9 which gave me a low reading. I tested with the new kit on the morning of day 10 and got a high reading. I continued testing through day 11 and continue to get a high reading. How can you get a peak and three continued days of high reading on two different machines?
Brand User

597 Messages

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6.4K Points

7 years ago

Thanks for getting in touch.   

There is no need to continue testing after Peak - stop testing for this cycle.  The test is designed to be used with first morning urine only and the High Fertility results you saw are likely due to having tested in the evening with dilute urine.

As you found Peak on your second test, you may wish to start testing earlier in your cycle if you need to test again in the future.

We'd be happy to chat if you'd like to talk through your questions.  Feel free to call us at 1-800-321-3279 and mention reference 1876469A.  We're open weekdays from 8:30-5:00 ET.  

2 Messages

 • 

130 Points

7 years ago

I continued testing and got another peak reading on Day 13. How can you get two peak readings in one cycle? I would like to know the percentage of false positives for Clear Blue Advanced Ovulation predictor. Thank you
Brand User

597 Messages

 • 

6.4K Points

7 years ago

In a typical cycle we would only expect a single LH Surge.  We recommend you discuss your results with your Doctor.  The test is over 99% accurate at detecting the LH Surge so false results are very rare.
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