pregnancy test

Noun
  1. is a type of: bio-assay, bioassay - appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard
    subtypes: friedman test, rabbit test - pregnancy test that involves injecting some of the woman's urine into an unmated female rabbit and later examining the ovaries of the rabbit; presence of corpora lutea indicates that the woman is pregnant

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