The Clearblue Digital Pregnancy Test With Conception Indicator is a smart dual sensor that tells you if you are pregnant or not pregnant with over 99% accuracy from the day your period is due. If you are pregnant, it also indicates how many weeks since conception occurred. The Conception Indicator is 92% accurate in detecting when you conceived. You can test up to 4 days before your period is due, and within 3 minutes, your result will appear on the screen. It's a women's product that provides unmistakably clear digital results.