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Immunologic Pregnancy Tests

Evaluation of Pregnosticon Dri-Dot and Pregnosticon Accuspheres

From the Department of Gynecology and Obstetrics, Stanford University School of Medicine, Stanford, Calif 94305.

Abstract

Urine specimens from 50 pregnant and 50 nonpregnnnt women were tested with five immunologic pregnancy tests. Pregnosticon Accuspheres, a new hemagglutination inhibition test, was found to be more convenient when compared with UCG, an established tube test. Compared with two established rapid slide tests, Pregnosticon and Prequest, Pregnosticon Dri-Dot, a new latex agglutination inhibition test, was the most convenient to use, had an endpoint that could be detected easily and an acceptable degree of accuracy equal to the Pregnosticon Slide Test from which it was derived. The latter would be our choice as a pregnancy test for routine office use.