Rabbit test

For other uses, see Rabbit Test.
"Dead rabbit" redirects here. For the 19th-century New York gang, see Dead Rabbits. For the American band, see The Dead Rabbitts.
For the statistical test, see Friedman test.

The rabbit test, or Friedman test, was an early pregnancy test which required killing and dissecting a rabbit to obtain the results. The test was developed in 1931 by Maurice Friedman and Maxwell Edward Lapham[1] at the University of Pennsylvania.

  1. ^ "The assay of gonadotropic extracts in the post-partum rabbit". Journal of Endocrinology. 24 (5). 1 May 1939.