Over 99% accurate when used from the day your period is due. P p test up to 4 days before your period is due. P p testing early p p lloydspharmacy recommend that you test from the day your period is due. However, the pregnancy hormone increases rapidly in early pregnancy and lloydspharmacy pregnancy test can be used to test up to 4 days before your period is due. In clinical testing with early pregnancy samples lloydspharmacy pregnancy test gave the following results p p number of days before br the period is due % of samples from br pregnant women giving br a pregnant result 1 87% 2 84% 3 74% 4 53% p p if you test early and get a not pregnant result it is possible that the level of pregnancy hormone may not yet be high enough to be detected. You should test again when your period is due. P p p