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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] Direct measurement of antigens , such as hCG, was made possible after the invention of the radioimmunoassay in 1959. [ 44 ]
Margaret Crane's patent illustration for "Diagnostic Test Device", the first home pregnancy test. Margaret M. Crane (Meg Crane) is an American inventor and graphic designer who created the first at home pregnancy test in 1967 while working at Organon Pharmaceuticals in West Orange, New Jersey. [1]
Comfort Check Pregnancy Test. First Response is another major brand name that Dr. Wetter recommends often. She notes that brands like this one are often easy to find. Some folks also like to take ...
Clearblue home pregnancy test system 1985. Clearblue was introduced in 1985 with the launch of the first Clearblue Home Pregnancy Test system, which at the time was owned by Unilever. [4] It was the world’s first “rapid home test” that gave pregnancy test results in 30 minutes and allowed a woman to take a test before going to the doctor. [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. [5] [6] The Galli-Mainini test is another frog test developed based on similar principles. [7]
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.