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JAMA. 1941;117(24):2076. doi:10.1001/jama.1941.02820500058017.
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COLOSTRUM CUTANEOUS TEST FOR PREGNANCY  Several tests have been proposed for furnishing an early reliable diagnosis of pregnancy. An immunologic test, depending on a local cutaneous reaction, has been especially sought. However, thus far only biologic tests are considered reliable. Recently Falls, Freda and Cohen1 reported a method of cutaneous testing which is claimed to be 98 per cent accurate in pregnant women and 96 per cent accurate in nonpregnant women. In this test a preparation of colostrum is injected into the skin. A faint reaction or none at all is apparent in pregnant women, while the nonpregnant react with a prominent wheal typical of an allergic response. This reaction appears within one-half hour, according to the authors. They tested 358 known nonpregnant women and 265 pregnant women at the time of their report. The test has already been commercialized by G. H. Sherman, M.D., Inc., and physicians are


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