Tag: fertility
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How Pregnancy Tests Led to the Decimation of Frog Populations
With readily available pregnancy tests stocked across drugstore shelves, it is hard to imagine a time when determining pregnancy was not so simple a task. Instead of the easy-to-use plastic cartridge we commonly imagine, the earliest reliable pregnancy tests utilised Xenopus laevis, also known as the African clawed frog (Nuwer, 2013). This method for identifying…