The Clearblue Digital Home Ovulation Test is easy to read and accurately pinpoints your 2 most fertile days each cycle, so you can maximise your chances of getting pregnant naturally. Clearblue Digital Ovulation Test is designed to detect the surge of luteinising hormone (LH) that precedes ovulation, giving you more knowledge as to when it may be easier for you to conceive. There are only a few days each cycle when a woman can conceive, the days leading up to and including the day of ovulation. But cycles are variable and so is the timing of ovulation, which means that 1 in 2 women could be trying to conceive at the wrong time of their cycle. Clearblue Digital Ovulation Test uses a simple urine test that are over 99% accurate at detecting the rise in a key fertility hormone (luteinising hormone) 24-36 hours before ovulation. A clear smiley face appears in the digital display when your LH surge has been detected, so you know this day and the following day are your best 2 days to try fo