The Clarity Diagnostics Clarity HCG Pregnancy Test Strips are cost-effective rapid medical tests designed for the accurate and early detection of human chorionic gonadotropin (hCG) in urine.Accurate and Reliable. With an overall accuracy of 99%, the Clarity HCG Pregnancy Test Strips are highly precise and ensures 100% specificity. The Pregnancy Test Strips' dip and read procedure make it simple and easy-to-use. It produces results in as fast as 40 seconds and is stable 24 months from the date of manufacture.