[1] 99% accurate at detecting typical pregnancy hormone levels.
Independent market research data; international sales (data on file). Clearblue Flip & Click Pregnancy Test, 2 Count - 2 ct | CVS [2]56% of pregnant results can be detected 5 days before your missed period. It is over 99% accurate from the day you expect your period[1] and provides easy to read plus (+) or minus (-) results in 3 minutes.