No brand is more accurate. Only test with smart countdown to result. Results 5 days sooner (Testing Early: Clearblue recommends that you test from the day you expect your period. However, the pregnancy hormone increases rapidly in early pregnancy and Clearblue Digital 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 Digital gave the following results. 1 Day Before the Expected Period: 95% of samples from pregnant women giving a pregnant result. 2 Days Before the Expected Period: 90% of samples from pregnant women giving a pregnant result. 3 Days Before the Expected Period: 82% of samples from pregnant women giving a pregnant result. 4 Days Before the Expected Period: 51% of samples from pregnant women giving a pregnant result). Clearblue Helpline: Monday-Friday 8:30 am - 5:00 pm Eastern Time. Toll-free 1-800-321-3279. Please have the lot numbers from both the outer and inner packaging. Calls are recorded for training and quality control. www.clearblueeasy.com. facebook.com/clearblue. twitter.com/clearblue. Read package insert before use. English and Spanish instructions inside. Made in PRC. Packaged in USA.