No more brand is accurate. Positive (pregnant). Negative (not pregnant). Accurate with double confirmation. Results 5 days sooner (Clearblue can be used to test up to 4 days before you expect your period [5 days sooner than the missed period]. In clinical testing with early pregnancy samples Clearblue gave the following results: Number of Days Before the Expected Period: -1; Percent of Samples from Pregnant Women Giving a Pregnant Result: Greater than 99% (digital). 98% (rapid detection); Number of Days Before the Expected Period: -2; Percent of Samples from Pregnant Women Giving a Pregnant Result: 98% (digital). 97% (rapid detection); Number of Days Before the Expected Period: -3; Percent of Samples from Pregnant Women Giving a Pregnant Result: 95% (digital). 88% (rapid detection); Number of Days Before the Expected Period: -4; Percent of Samples from Pregnant Women Giving a Pregnant Result: 75% (digital). 56% (rapid detection)). 1: Easy: Simply hold the tip in your urine stream for 5 seconds. Digital: The smart countdown appears on the display and counts down to your result. After 3 minutes, the result will be displayed in words. Rapid Detection: After 3 minutes, read your + or - result. The floodguard technology helps you use the test correctly. 2. Accurate: Over 99% accurate from the day of your period (99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels may vary. See insert). 3. Testing Early: Clearblue can be used to test up to 4 days before you expect your period [5 days sooner than the missed period]. In clinical testing with early pregnancy samples Clearblue gave the following results: Number of Days Before the Expected Period: -1; Percent of Samples from Pregnant Women Giving a Pregnant Result: Greater than 99% (digital). 98% (rapid detection); Number of Days Before the Expected Period: -2; Percent of Samples from Pregnant Women Giving a Pregnant Result: 98% (digital). 97% (rapid detection); Number of Days Before the Expected Period: -3; Percent of Samples from Pregnant Women Giving a Pregnant Result: 95% (digital). 88% (rapid detection); Number of Days Before the Expected Period: -4; Percent of Samples from Pregnant Women Giving a Pregnant Result: 75% (digital). 56% (rapid detection). English and Spanish instructions inside. www.clearblue.com. Follow us on: Facebook. Clearblue Helpline Monday-Friday 8:30 am - 5:00 pm Eastern Time. Toll-free, 1-800-321-3279. Please have the product and packaging, including any foil pouches, with you when you call. Calls are recorded for training and quality control.