• Use the Clearblue Early Detection Pregnancy Test to get results up to 6 days before the missed period. • Over 99% accuracy from the date the period should start. • Easy-to-read and use results thanks to the ergonomic handle and extra-wide tip that changes color. • Floodguard(TM) technology to prevent user errors. • hCG sensitivity of 10 mIU/ml. • World's No. 1 selling brand.