Learning when you have conceived is absolutely vital. That's why you need a pregnancy test that is going to be reliable and one that can tell you with near absolute certainty if you have conceived or not. The Predictor Pregnancy Test will give you a clear indication up to 5 days before your period. With a 99% accuracy that is based on laboratory testing, this really is the ultimate in home pregnancy tests. Why settle for anything less when it comes to life defining moments?