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A later article, independently authored, granted Hogben credit for the principle of using Xenopus to determine gonadotropin levels in a pregnant woman's urine, but not for its usage as a functional pregnancy test. [40] Hormonal pregnancy tests such as Primodos and Duogynon were used in the 1960s and 1970s in the UK and Germany. These tests ...
The Hogben test, named after the British zoologist Lancelot Hogben, was one of the most reliable and rapid pregnancy tests from the 1940s to the 1960s. [6] The urine samples were injected into African clawed frogs. The Hogben test uses female frogs, unlike the Galli-Mainini test which uses male frogs.
How accurate are home pregnancy tests? Every test is slightly different and the time you take it matters, too, Dr. Greves says. Many tests claim to be 99% accurate, but research from the ...
The name is related to the fact that the test produced a blue marker line as a positive (pregnant) result and that it is 'clear' and simple to use. The product was a success, in part due to intensive advertising and held a majority market share in the UK by the end of the year. Unipath released their clearplan home ovulation kit in 1987.
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.
Pages in category "Tests for pregnancy" ... Rabbit test This page was last edited on 9 May 2022, at 13:22 (UTC). Text is available under the Creative Commons ...
Primodos was a hormone-based pregnancy test, produced by Schering AG, and used in the 1960s and 1970s that consisted of two pills that contained norethisterone (as acetate) and ethinylestradiol. [ 1 ] [ 2 ] It detected pregnancy by inducing menstruation in women who were not pregnant.
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