The Clearblue Advanced Digital Ovulation Test identifies the fertile window of the menstrual cycle by monitoring two key urinary fertility hormones, estrone-3-glucuronide (E3G; one of the urinary metabolites of estradiol) and luteinizing hormone (LH). By measuring these two hormones, the Clearblue Advanced Digital Ovulation Test is the only ovulation test that accurately detects the timing of a wider fertile period of typically 4 days, 2 more than other ovulation tests.
Conception is most likely to occur when intercourse takes place on the day before, or day of ovulation1 and detection of the LH surge is a precise measure for the timing of ovulation.2 However, conception is possible when intercourse takes place throughout the fertile window. Importantly, it has been proposed that regular intercourse during the entire fertile period is more likely to lead to pregnancy, than intercourse at peak fertility alone. Establishing the timing of ovulation and a wider fertile window has practical utility to assist couples in appropriately timing intercourse.
The Clearblue Advanced Digital Ovulation Test:
Adaptive algorithm determines fertile days
Each menstrual cycle has a unique hormone profile. The test holder contains a sophisticated algorithm that adapts to a woman’s individual hormone levels in order to accurately identify her fertile window.
Many women have small levels of LH present in their urine throughout their cycles – Clearblue Advanced Digital Ovulation Test sets a personalized threshold level for each woman, by measuring changes in hormone levels from their baseline (rather than measuring hormones to a constant uniform threshold, like some other ovulation tests).
The Clearblue Advanced Digital Ovulation Test utilizes the following information to give a woman’s daily fertility status:
After 5 minutes, the test holder automatically reads and interprets the test result and delivers a digital indication of the user’s fertility status:
Clear Circle – It is unlikely, but not impossible, that intercourse at this time will result in pregnancy. The user should test again the following day. This result is displayed for 8 minutes.
Flashing Smiley – If the user has intercourse today she will increase her chance of getting pregnant, but she must also test again the following day. The result will be displayed for 8 minutes.
Smiley Face – This is the user’s most fertile time and the result will be displayed for 2 days. If the user has intercourse today she will maximize her chance of getting pregnant. The user should stop testing after the first day that Peak Fertility is displayed (3 error symbols will be displayed simultaneously if she continues to test).
I had a positive result for the L.H. surge and had sexual intercourse during this period but I have still not become pregnant.
There are many factors that can affect your fertility. It can take many healthy couples months to achieve pregnancy. You may need to use these tests for a few months before pregnancy occurs. If after 6 months of trying you have still not become pregnant, you should visit your doctor for advice.
The day you need to start testing depends on your cycle length and the instruction leaflet provided will help you work this out.
If the test shows Low Fertility, you are unlikely to fall pregnant if you have sex today. Test again tomorrow.
If the test shows High Fertility, you can increase your chance of getting pregnant by having sex today but you should test again tomorrow.
When the first Peak Fertility is shown, ovulation should occur within the next 24-36 hours. The next two days are when you are at your most fertile and having sex will maximise your chance of getting pregnant.
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You may return any item shipped by sbhealthcare.ie within 7 days of receipt as long as it meets the following any of the conditions:
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