The Pro Advantage Urine Hcg Pregnancy Cassette Device. Rapid, one step tests for the qualitative detection of human chorionic gonadotropin (hCG) in serum and/or urine. Three variations of Pro Advantage hCG tests are available: Urine Cassette Devices, Urine/Serum Pregnancy Devices and Urine Test Strips. >99% sensitivity, >99% specificity. 25 mlU/mL minimum hCG detection level. Accurate results in 3 minutes and urine and 5 minutes or serum. CLIA Waived for urine and FDA 510(k) cleared to market.