Frogs Were Used In Pregnancy Tests | EnglishClub
Escapee pregnancy test frogs colonised Wales for 50 years - BBC News
Pregnancy Tests Used to Be African Clawed Frogs
Pregnancy test helped to bring frog-killing fungus to the US | Nature
A brief history of pregnancy tests – from toads and rabbits to rosewater
Frog test - Wikipedia
African Clawed Frog Used to Tell Women Whether They Were Pregnant
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
Some peculiarities of the male frog test for early pregnancy. | Semantic Scholar
during the 1940's African Clawed Frogs were used as a pregnancy test by injecting them with pee : r/HistoryMemes
How a Frog Became the First Mainstream Pregnancy Test - The Atlantic
How a pregnancy test caused a catastrophe for frogs | BBC Earth
The Male Frog, Rana pipiens, as a New Test Animal for Early Pregnancy | Science
Pregnancy Tests Used to Be African Clawed Frogs
The xenopus pregnancy test. | Semantic Scholar
The Surprisingly Recent Time Tests Using Rabbits and Frogs Were the Gold Standard to Accurately Detect Human Pregnancy
Pregnancy Tests Used to Be African Clawed Frogs
We need to talk about how frogs used to be pregnancy tests | The Spinoff
Did pregnancy tests spawn plague of frogs?
Platanna | amphibian | Britannica
Frog test - Wikipedia
California frogs once used for pregnancy tests carry deadly fungus - Los Angeles Times
Clawed frogs (Xenopus): living pregnancy tests and cannibals
Pregnancy Tests Used to Be African Clawed Frogs
Primodos was a revolutionary oral pregnancy test. But was it safe? | Science | The Guardian
