Clearblue advanced digital ovulation test is the only one that typically identifies your 4 best days to get pregnant naturally, thats 2 more than any other test. By accurately tracking 2 key fertility hormones, estrogen and luteinising hormone lh, it identifies 2 peak fertility days, like all other ovulation tests, but also typically 2 high fertility days before that, so you have more opportunities to get pregnant. P p its unique, smart algorithm is the only one that can adapt every time you test to indicate your personal wider fertility window. P p have intercourse on high and peak fertility days to maximise your chances of getting pregnant naturally, the unmistakably clear clearblue digital smiley face will tell you when your body is ready. P p over 99% accurate at detecting the lh surge. P p features p p bull the only ovulation test that typically identifies your 4 best days to get pregnant2x any other test br bull identifies extra fertile days that no other ovulation test can, so you have more opportunities to get pregnant naturally br bull the only ovulation test that accurately tracks your personal levels of 2 key fertility hormones p