Join Holly and Tracy as they bring you the greatest and strangest Stuff You Missed In History Class in this podcast by iHeartRadio.
https://www.iheart.com/podcast/stuff-you-missed-in-history-cl-21124503/
The Rabbit Test
After the discovery of hormones in the early 20th century, new methods of pregnancy testing were developed. Some of these involved animal use, but how did the rabbit test work, and when did it get replaced?
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