Human Pregnancy Tests May Have Doomed All Amphibians

September 19th, 2005 | researchmaterial

A disease threatening amphibians worldwide may have spread because of the use of frogs in pregnancy tests.

The theory is being debated at a summit in Washington DC where scientists hope to produce an action plan to conserve frogs, toads and salamanders.

In the 1930s, African frogs were exported for use in human pregnancy tests and it is suggested they may have carried a fungal disease with them.

The spread of chytridiomycosis is now a major cause of amphibian decline. According to the most recent global assessment, almost a third of this animal grouping – a category that includes frogs, toads, salamanders and caecilians (legless amphibians) – is judged to be at risk of extinction…


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  1. You can find Warren on Twitter: @warrenellis