Clearblue Digital 7 Tests

Clearblue Digital Pregnancy Ovulation Test (7 tests) Clearblue Digital Pregnancy Ovulation Test (7 tests) The Clearblue™ Easy Digital Ovulation Test quickly and accurately detects the surge of luteinizing hormone in your urine, which normally occurs 24 - 36 hours before ovulation (when you release an egg). The Clearblue™ Easy Digital Ovulation Test therefore tells you the 2 best days to conceive your baby.