Provides highly sensitive and specific tests for pregnancy. Single-step; positive results in as little as 1 minute. CLIA waived (urine), easy-to-use test. Highly sensitive assay with built-in controls ensures accuracy. Use with multiple sample types - urine or serum.- hCG Urine Controls (Refrigerated - Expedited Shipment Required) (Ships on ice) (Continental US+HI Only)