How This Adorable Frog Became One of the Earliest Pregnancy Tests Around - Center for PostNatural History
Museum of Contraception and Abortion
African Clawed Frog Used to Tell Women Whether They Were Pregnant
during the 1940's African Clawed Frogs were used as a pregnancy test by injecting them with pee : r/HistoryMemes
Frog tool for pregnancy testing
Pregnancy tests: how frogs improved women's healthcare | Natural History Museum - YouTube
Primodos was a revolutionary oral pregnancy test. But was it safe? | Science | The Guardian
Use of African clawed frogs in biochemistry and embryological research | Britannica
How a pregnancy test caused a catastrophe for frogs | BBC Earth
Escapee pregnancy test frogs colonised Wales for 50 years - BBC News
Frogs Were Used In Pregnancy Tests | EnglishClub
Pregnancy test helped to bring frog-killing fungus to the US | Nature
Did pregnancy tests spawn plague of frogs?
Pregnancy Tests Used to Be African Clawed Frogs
The xenopus pregnancy test. | Semantic Scholar
Cane toads used for 1950s pregnancy testing by Australian scientists Louis Tuttle and Bill Horsfall - ABC News
Frog tool for pregnancy testing
Pregnancy Tests Used to Be African Clawed Frogs
How a pregnancy test caused a catastrophe for frogs | BBC Earth
Pregnancy Tests Used to Require Injecting Frogs with Urine - YouTube
Object 12: Frog
The Surprisingly Recent Time Tests Using Rabbits and Frogs Were the Gold Standard to Accurately Detect Human Pregnancy
Clawed frogs (Xenopus): living pregnancy tests and cannibals
Best Pregnancy Test used to be African Clawed Frogs | Business Insider | Marine Biological Laboratory
Frog test - Wikipedia
Pregnancy Testing May Have Led to Spread of Deadly Frog Fungus
