clearblue new advanced digital ovulation test pack of 20 sticks from united kingdom fast shipping ship worldwide clearblue clearblue advanced digital ovulation test pack of 20 sticks brand new, sealed and retail packaged the only ovulation test that typically identifies your four best days to get pregnant--two times more than any other test identifies extra fertile days that no other ovulation test can, so you have more opportunities to get pregnant naturally the only ovulation test that accurately tracks your personal levels of two key fertility hormones 20 test sticks--two month's supply unmistakably clear digital results--a clearblue 'smiley face' on high and peak fertility days clearblue advanced digital ovulation test typically identifies your four best days to get pregnant naturally. by accurately tracking two key fertility hormones, estrogen and luteinising hormone (lh), it identifies two peak fertility days, like all other ovulation tests, but also typically two high fertility days before that, so you have more opportunities to get pregnant. its unique, smart algorithm adapts every time you test to indicate your personal wider fertility window. 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. clearblue digital tested over 99% accurate at detecting the lh surge in laboratory trials. instructions the day you need to start testing depends on your cycle length and the instruction leaflet provided will help you work this out. test using the first urine after your longest sleep. take a test stick out of its foil pouch and take the cap off. insert the test stick into the holder, lining up the purple arrows until it clicks into place. when you use the test for the first time in a cycle the ‘new cycle’ symbol will flash. look for the ‘test ready’ symbol put the absorbent sampler pointing downwards into your urine stream for 3