The up&up digital ovulation test is a highly sensitive test that detects the LH surge in urine.? This test provides easy-to-read results with simple YES+ and NO- results; taking the guess-work out of finding your most fertile days.? Why Test for an LH surge? 24-36 hours before ovulation, or the release of an egg, the body produces a large amount of? luteinizing hormone (LH).? The day of the LH surge, and the following day, are the two most fertile days.? Each kit contains a one month supply: one digital reader and ten test sticks.?? Over 99% Accurate.
