Clearblue Digital Pregnancy Test 2 Tests is a more than 99% reliable pregnancy test to detect a pregnancy from the expected date of your period.
It estimates the age of the pregnancy and shows on the screen "1-2", "2-3" ou "3+", which corresponds to the number of week from the conception, and thus the age of the pregnancy (reliable at 93%). Your doctor will date your pregnancy based on the first day of your last period, not the date of conception.