The<unk>  is an obsolete pregnancy test. It is based upon the observation that when urine from a female in the early months of pregnancy is injected into immature female mice, the ovaries of the mice enlarge and show follicular maturation. The test was considered reliable, with an error rate of less than 2%.
Ascheim-Zondek test
Heaf test
Allen's test
Anderson-Darling test
Breusch-Pagan test
Simmonds' test
Tzanck test
Patrick's test