The hCG Pregnancy Midstream Test (Urine) is a rapid chromatographic immunoassay for the qualitative detection of human chorionic gonadotropin in urine to aid in the early detection of pregnancy. The test uses two lines to indicate results. The test line utilises a combination of antibodies including monoclonal hCG antibody to selectively detect elevated levels of hCG. The control line is composed of goat polyclonal antibodies and colloidal gold particles. The assay is conducted by adding a urine specimen to the specimen well of the test device and observing the formation of coloured lines. The specimen migrates via capillary action along the membrane to react with the coloured conjugate. Positive specimens react with the specific antibody hCG coloured conjugate to form a red line at the test line region of the membrane. Absence of this red line suggests a negative result. To serve as a procedural control, a red line will always appear in the control line region indicating that proper volume of specimen has been added and membrane wicking has occurred.

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• The test device must remain in the sealed pouch until use. DO NOT FREEZE. Do not use beyond the expiration date. 
• All specimens should be considered potentially hazardous and handled in the same manner as an infectious agent. The used test should be discarded according to local regulations.
• Hold the midstream test by the capped Thumb Grip with the exposed Absorbent Tip pointing downward directly into your urine stream for at least 10 seconds until it is thoroughly wet. See the illustration opposite. Note: Do not urinate either on theTest or Control windows. If you prefer, you can urinate into a clean and dry container, then dip only the Absorbent Tip of the midstream test into the urine for at least 10 seconds