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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.
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.
In 2091, Grace is 17 years old, and abortion is totally banned. When her government-mandated menstrual tracker implant automatically administers a pregnancy test, her life changes. The story follows her over the next several decades, interspersed with vignettes about the history of abortion and pregnancy tests, going back millennia.
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 ]
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.
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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]
Leopold's maneuvers. In obstetrics, Leopold maneuvers are a common and systematic way to determine the position of a fetus inside the woman's uterus.They are named after the gynecologist Christian Gerhard Leopold.
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