Pregnancy Tests: Evaluation and Current Status
作者： John H. Rippey , John H. Rippey
DOI: 10.3109/10408368409165767
关键词:
摘要: 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 urine and/or serum. The original tests were animal assays biologic following injection urine. currently most widely utilized slide and tube including some with beta-subunit specificity, is detected by immunologic antigen-antibody reactions. Finally, settings there has been increased testing for radioreceptor based on binding plasma membrane receptor sites qualitative radioimmunoassay utilizing classic competitive techniques. This review compares relative advantages disadvantages these regard diagnostic effectiveness, sensitivity, cost variables, technical requirements.
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