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Immunologic pregnancy tests were introduced in 1960 when Wide and Gemzell presented a test based on in-vitro hemagglutination inhibition. This was a first step away from in-vivo pregnancy testing [42] [43] and initiated a series of improvements in pregnancy testing leading to the contemporary at-home testing. [43]
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The rabbit test became a widely used bioassay (animal-based test) to test for pregnancy. The term "rabbit test" was first recorded in 1949, and was the origin of a common euphemism, "the rabbit died", for a positive pregnancy test. [4] The phrase was, in fact, based on a common misconception about the test.
Throughout history, there have been different animal-based tests with the aim of indicating the pregnancy status of women. [4] The most well known test is the Hogben test, prevalent from the 1940s to the 1960s, by using the underlying principle of hormones and its subsequent biological response in both sexes of certain frog species .
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Pages in category "Tests for pregnancy" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. ...
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