By certification, VA is referring to the certification you get by taking a specific test for a field of employment, and not a certificate you receive for completing training. 1  Get detailed information in the VA Licensing and Certification Pamphlet.
The Clearblue Advanced Pregnancy Test can be used up to four days before your expected period. However, if you get a negative result when testing early, you may need to retest later to get a more accurate reading. 1  4 days before period: 65 percent accurate.  3 days before period: 90.6 percent accurate.
That is why all Clearblue pregnancy tests deliver over 99% accuracy from the day of your expected period. Not only are all our tests designed to be easy to use and read, but out latest test, Clearblue Early Detection can now give results 6 days before your missed period. No tests are more accurate â All Clearblue pregnancy tests are over 99% accurate. So sensitive you can test early â Now test earlier with Clearblue Early Detection â results 6 days before your missed period. Find out more about the different Clearblue Pregnancy Tests by clicking on the links below.