Is it possible pound shop tests are more senstive than any other.. iv taken over 14 pound shop ones in last 2 3 days and there is a line there fade but its there on ever single one took another test from superdrug and there neg im super confused just want to no weather i am or not and what doesnt help is i havnt had a period in over 7months feom having pcos only a small brown bleed about 2 weeks ago