CLEAR BLUE DIGITAL ovulation, ovulation is a test, which indicates that you are your two best days for conception. The test CLEAR BLUE DIGITAL ovulation detects the rise in luteinizing hormone (LH) in urine. The peak of this hormone is produced by the ovaries release an egg. It is the process known as ovulation. On most fertile women are the day on which detects the LH peak and the day after. The digital ovulation test clear blue home kit is the most effective way to detect the 2 best days to conceive naturally. It is also very simple to use and very visual and that in the days fertile appears on the digital display a smiley face indicates that ovulation. It contains instructions very schematic drawings and in the interior to its proper use.