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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 ]
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 ...
Pregnancy tests fall into two categories: at-home urine tests and the in-office blood test. At-home urine tests have different thresholds for the level of hCG they’re looking for, Dr. Ahmad says.
This category is for articles about tests to see whether someone is pregnant. Pages in category "Tests for pregnancy" The following 10 pages are in this category, out of 10 total.
There are nearly 3,000 crisis pregnancy centers (CPCs) throughout the U.S., which provide limited, free pregnancy-related services to women. But critics say these centers — which can look like ...
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