Clearblue Early Detection Pregnancy 7 PackClearblue Ultra Early Pregnancy Test (10mIU) Value Pack, Results 6 Days Early, 7 Early Detection Tests Use Clearblue Ultra Early Pregnancy Test for results up to 6 days before your missed period (5 days before you expect your period) (1). Clearblue Ultra Early is our most sensitive visual pregnancy test (10mIU ml) no test can tell you sooner. It is over 99% accurate from the day you expect your period. For more information on this product or answers