Art and Science of Laboratory Medicine

Art and Science of Laboratory Medicine

Saturday, October 4, 2014

Improved Qualitative Pregnancy Devices

Recently, we were made aware of two manufacturers that had apparently modified their qualitative pregnancy devices: The Cen-Med Elite Plus One-Step Pregnancy Test (a hospital POC device) and the First Response Early Result OTC device (an over-the-counter device). In order to evaluate these modifications a study group compared the old and new devices using the screening test we have developed previously. Our results demonstrated that indeed, the new version of each device perform better than the previous version. Both original devices demonstrated significantly diminished signal when 500 pmol/L hCG was tested in the presence of 500,000 pmol/L hCGbcf. However the modified devices gave faint or clear positive signals in the presence of the same hCG concentrations.

Read more:
Improved Qualitative Pregnancy Devices

Source: The Pregnancy Lab

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