Use Clearblue Early Detection Pregnancy Test for results 6 days before your missed period (missed period is the day after you expect your period). Over 99 per cent accurate from the day you expect your period. Features: Can be used up to 6 days before missed period, Wide colour change tip, Ergonomic handle for easy use. Specifications: Dimensions: H:13.0 x W:2.0 x D:1.0 cm, Colour: White, Model Number: CBEARLY2