Get a better understanding of your cycle The complete kit to make tracking your cycle easy iProvens OPK helps you to get a better understanding of your cycle. With an accuracy of 99%, the strips can help you to pinpoint your ovulation and detect a pregnancy on the first day of your expected cycle. It's your go-to test kit when you want to discover the how-to's of ovulation tracking. 50 Ovulation Test Strips 20 Pregnancy Test Strips Easy Dip — Wait — Read principle Learn to take charge of your cycle