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Who invented the first home pregnancy test?


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Answered 2007-01-12 04:47:27

Taken from wikipedia. "History A physician administers a urine test in The Doctor's Visit by Jan Steen. [3] [4] [5]The ancient Egyptians watered bags of wheat and barley with the urine of a possibly pregnant woman. Germination indicated pregnancy, and based on what type of grain sprouted they predicted the gender of the fetus. Hippocrates suggested that a woman who had missed her period should drink a solution of honey in water at bedtime. Resulting abdominal distention and cramps would indicate the presence of a pregnancy. Avicenna and many physicians after him in the Middle Ages performed uroscopy, a nonscientific method to evaluate urine. Selmar Aschheim and Bernhard Zondek introduced testing based on the presence of hCG in 1928. In their test an infantile female mouse was injected subcutaneously with urine of the person to be tested, and some time later the mouse was sacrificed. Presence of ovulation indicated that the urine contained hCG and meant that the person was pregnant. A similar test was developed using immature rabbits, the rabbit test. Here, too, it was necessary to kill the animal to check its ovaries. An improvement arrived with the frog test that was still used in the 1950s. A female frog was injected with serum or urine of the patient. If the frog produced eggs within the next 24 hours, the test was positive. In the frog test, the animal remained alive, and could be used again." So I guess if you just look at that, Selmar and Bernhard made the first home test, but the egyptians were doing it up natural style centuries ago.

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