Frog pregnancy testing
Jesse Olszynko-Gryn discusses the history of pregnancy testing. From the 1930s to the 1960s, pregnancy tests involved the use of live animals, including mice, rabbits and frogs. See also:
- Jesse Olszynko-Gryn, 'When pregnancy tests were toads: The Xenopus test in the early NHS', Wellcome History 51 (2013), 2–3
- Jesse Olszynko-Gryn, 'Fictional pregnancy before and after the test', MaMSIE blog (2012)