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  2. Pregnancy test - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_test

    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 ]

  3. Rabbit test - Wikipedia

    en.wikipedia.org/wiki/Rabbit_test

    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.

  4. Pregnancy tests using animals - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_tests_using_animals

    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 ...

  5. *This* Is The Best Time Of Day To Take A Pregnancy Test For ...

    www.aol.com/best-time-day-pregnancy-test...

    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.

  6. A week-by-week guide to common pregnancy symptoms - AOL

    www.aol.com/news/week-week-guide-common...

    Certain pregnancy tests can detect the pregnancy hormone human chorionic gonadotropin ... This kid now weighs anywhere from 4 ½ to 6 pounds — things are getting real! Pregnancy Symptoms Week 35.

  7. Obstetric ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Obstetric_ultrasonography

    Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb).

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