Escapee pregnancy test frogs colonised Wales for 50 years - BBC News
How a pregnancy test caused a catastrophe for frogs | BBC Earth
The Surprisingly Recent Time Tests Using Rabbits and Frogs Were the Gold Standard to Accurately Detect Human Pregnancy
Frog test - Wikipedia
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
Pregnancy Tests Used to Be African Clawed Frogs
How a Frog Became the First Mainstream Pregnancy Test - The Atlantic
Frog Once Used in Pregnancy Tests Spread Deadly Fungus - The New York Times
How a pregnancy test caused a catastrophe for frogs | BBC Earth
WTF Fun Fact - The Hogben Pregnancy Test
Museum of Contraception and Abortion
Pregnancy tests: how frogs improved women's healthcare | Natural History Museum - YouTube
Some peculiarities of the male frog test for early pregnancy. | Semantic Scholar
African clawed frog | Smithsonian's National Zoo
How a pregnancy test caused a catastrophe for frogs | BBC Earth
Doctors Used to Use Live African Frogs As Pregnancy Tests | Smart News| Smithsonian Magazine
Frogs Were Used In Pregnancy Tests | EnglishClub
CSS Times - The first female pregnancy test was in the... | Facebook
Pregnancy Tests Used to Be African Clawed Frogs
Did pregnancy tests spawn plague of frogs?
A brief history of pregnancy tests – from toads and rabbits to rosewater
Pregnancy Tests Used to Be African Clawed Frogs
Pregnancy test helped to bring frog-killing fungus to the US | Nature
