Pregnancy tests: evaluation of current status.

  • John H. Rippey
  • Published 1984 in Critical reviews in clinical laboratory sciences

Abstract

During the past 2 decades, laboratorians have observed many changes in pregnancy tests, which are generally defined as procedures designed to detect elevated levels of hCG in urine and/or serum. The original tests were animal assays in which biologic changes were observed following the injection of urine. The currently most widely utilized tests are slide… (More)

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