[PDF][PDF] Evaluation of a'do-it-yourself'pregnancy test.

LD Baker, LW Yert, MC Chase… - American journal of …, 1976 - ajph.aphapublications.org
LD Baker, LW Yert, MC Chase, E Dale
American journal of public health, 1976ajph.aphapublications.org
Materials and Methods Ova II is a non-immunologic, colorimetric test, which, according to the
manufacturer, is" a preliminary screening test for determining whether urine samples tested
contain substances normally present in the urine of pregnant women. These substances are
usually detectable 2 to 4 weeks after conception, but variances exist from woman to
woman."'The test is designed for use with fresh urine samples. The kit comes with 2
solutions, Reagent A, consisting of hydrochloric acid, dinitrophenylhydrazine, and methyl …
Materials and Methods
Ova II is a non-immunologic, colorimetric test, which, according to the manufacturer, is" a preliminary screening test for determining whether urine samples tested contain substances normally present in the urine of pregnant women. These substances are usually detectable 2 to 4 weeks after conception, but variances exist from woman to woman."'The test is designed for use with fresh urine samples. The kit comes with 2 solutions, Reagent A, consisting of hydrochloric acid, dinitrophenylhydrazine, and methyl red; and Reagent B, sodium hydroxide. 2
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