Monthly Archive: March 2015

Mar 19

African Clawed Frog: The Living Pregnancy Test

Wanted: African Clawed Frog Famous for: Being a living pregnancy test Crime: Accidentally decimating the world’s amphibian population The earliest reliable pregnancy test, developed in 1928, involved injecting mice with a woman’s urine several times over a number of days. The mice would then be killed and their ovaries examined; if the ovaries were enlarged, the woman was …

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