Mysterious Times

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9 Historical Methods of Detecting Pregnancy

Home pregnancy tests are kind of magical—they’re like those litmus test things from junior high science, except they can tell you whether you’ve got a baby in there. These tests work by detecting trace levels of the pregnancy hormone human chorionic gonadotropin (hCG) in the urine; hCG is present after egg implantation, which occurs six to 12 days after fertilization, and is secreted by the cells that are beginning to form the placenta.

Source: 9 Historical Methods of Detecting Pregnancy | Mental Floss UK

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This entry was posted on September 30, 2015 by in Health, History, Weird Stuff.

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