In the 40's & 50's African clawed frogs were used to detect whether a woman was preggers or not. How? Urine from a woman would be injected into the frog and if the frog produced eggs that would indicate the woman was preggers! How would anyone even think to test that in the 1st place? Whoa.
"I can't tell ya if it's a boy or a girl but congratulations! =)"
