Escapee pregnancy test frogs colonised Wales for 50 years - BBC News
How a pregnancy test caused a catastrophe for frogs | BBC Earth
BDI Citizen Science - How a pregnancy test spawned an invasive frog! In the 1930s, the world's first proper pregnancy test was developed in Cape Town. (The gory detail is here in
Clawed frogs (Xenopus): living pregnancy tests and cannibals
Did pregnancy tests spawn plague of frogs?
Pregnancy Tests Used to Be African Clawed Frogs
California frogs once used for pregnancy tests carry deadly fungus - Los Angeles Times
How a Frog Became the First Mainstream Pregnancy Test - The Atlantic
Frog test - Wikipedia
Pregnancy Tests Used to Be African Clawed Frogs
Frog Once Used in Pregnancy Tests Spread Deadly Fungus - The New York Times
African clawed frog | Smithsonian's National Zoo
The early pregnancy test that involved... frogs! - BBC Ideas
A brief history of pregnancy tests – from toads and rabbits to rosewater
WTF Fun Fact - The Hogben Pregnancy Test
African Clawed Frog Used to Tell Women Whether They Were Pregnant
Platanna | amphibian | Britannica
We need to talk about how frogs used to be pregnancy tests | The Spinoff
Escapee pregnancy test frogs colonised Wales for 50 years - BBC News
PDF) The Xenopus Pregnancy Test: A Performative Experiment
How This Adorable Frog Became One of the Earliest Pregnancy Tests Around - Center for PostNatural History
Pregnancy tests: how frogs improved women's healthcare | Natural History Museum - YouTube
Museum of Contraception and Abortion
during the 1940's African Clawed Frogs were used as a pregnancy test by injecting them with pee : r/HistoryMemes
Pregnancy Tests Used to Be African Clawed Frogs
Pregnancy Tests Used to Be African Clawed Frogs
The Male Frog, Rana pipiens, as a New Test Animal for Early Pregnancy | Science
