Posting for a friend. So last period was 17th July, due on 14th so period is 2 days late and no sign of it starting soon. She took this test yesterday and it was instantly a strong positive, same with the other in the pack. I've told her about all the bad reviews for false positives on tesco tests and to get a clear blue.. but unable to get to the shops atm. So wondering thoughts and experiences with tesco tests?