Digital Pregnancy 3 testsAll Clearblue pregnancy tests are clinically proven to be over 99% accurate at detecting pregnancy from the day you expect your period. However, if you think you might be pregnant, you want to know for sure as soon as possible, and many women want to test earlier than this. The earliest you can test with the most sensitive tests currently available is 6 days before your missed period (typically 10 days after ovulation)