You should wait 3 minutes to confirm a ‘Not Pregnant’ result. It is designed to be the easiest to use home pregnancy test, with an extra wide colour-changing tip and ergonomic curved handle. With the accuracy you expect from Clearblue, this home pregnancy test kit is over 99% accurate from the day you expect your period. In a UK study, over 9 in 10 women said they would pay more for Clearblue Rapid Detection than a strip test (based on 111 women using and reading different test types).