Viola Super Early Pregnancy Test Viola Super Early Pregnancy Test can detect pregnancy as early as 8 days after conception & is over 99% accurate. Viola Super Early Pregnancy Test is twice as sensitive as most other early pregnancy tests with a detection limit of 5 units of h CG, the hormone in the urine that increases rapidly after conception. In comparison, early pregnancy tests give a result a few days before the date of your next period have a detection limit of 10 units of h CG & standard pregancy tests that give reliable results from the date of the first missed period have a detection limit of 25 units of h CG. In fact, Viola technology is so sensitive you can use this test to confirm a result from a conventional pregnancy test.