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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.
Before immunological pregnancy tests were developed in the 1960s, women relied on urine-based pregnancy tests using animals, ranging from mice to frogs. [1] [2] Advancements in medical technology have enabled women to accurately check their pregnancy status by using 'pee-on-a-stick' pregnancy test kits at home. Before these accessible and ...
His work with the gynecologist Selmar Aschheim led to his bioassay for human chorionic gonadotropin, originally using mice, known as the Aschheim-Zondek or A-Z test. Later variations on this test used rabbits or amphibians, leading to the phrase "the rabbit died" to describe the discovery of a new pregnancy using the rabbit test. [5]
Later, they used male and female rabbits. [13] By the end of the 1930s, scientists had developed 48 different pregnancy tests, with one of the two most common tests known as the Friedman-Brouha test carried out using rabbits, also known as a rabbit test. [14] [15]
Pages in category "Tests for pregnancy" ... Human chorionic gonadotropin; P. Pregnancy tests using animals; Primodos; R. Rabbit test
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Rabbit has announced a new Teach Mode for its R1 AI device, another example of Rabbit's willingness to test its products in public. (Courtesy of Rabbit) Hello and welcome to Eye on AI.
He is known for the development of the rabbit test, a pregnancy test developed in 1931 while he was teaching at the Perelman School of Medicine at the University of Pennsylvania. Biography [ edit ]