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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.
Judith Vaitukaitis, circa 1971, at the National Institutes of Health, where she helped to develop a sensitive test that ultimately led to creation of the home pregnancy test. Vaitukaitis was born in Hartford, Connecticut, [3] and received a B.S. degree in chemistry and biology from Tufts University in 1962. [2]
The control line of this pregnancy test is blank, making the test invalid. The control line on the left of this pregnancy test is visible, suggesting that the test result is valid. A pale purple line has also appeared on the right hand side (the test line) which clearly signifies that the subject is pregnant.
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 .
History of present illness: H&P: history and physical examination (which very often are considered as a pair) HPA: hypothalamic-pituitary-adrenal axis: HPETE: hydroxyeicosatetraenoic acid: HPF: high-power field HPI H/oPI: history of the present illness: HPOA: hypertrophic pulmonary osteoarthropathy hPL
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]
What Is A Celery Rib? A celery rib is one of the individual stems that make up the larger bunch of celery, or "stalk." In botanical terms, a rib is a single segment of the plant, and in culinary ...
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]