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早孕试纸检测HCG法,具有简便、快速准确的优点。但操作中由于抗原抗体比例不当出现钩状效应,即后带现象的情况时有发生。现笔者根据工作中以早孕试纸法检测HCG出现的假阴性现象作一分析,以引起同行的注意。1.临床资料1·1 材料选择 HCG试纸条 南通宏达生物技术有限公司出品。1·2 两步法试剂盒 郑州博赛生物试剂实验研究所生产。1·3 停经35—50天妇女尿液30份
Early detection of HCG test strips, with simple, fast and accurate advantages. However, due to the operation of the antigen-antibody ratio of the hook-like effect, that is, the phenomenon of the band have occurred. Now the author based on the work of early pregnancy test paper detection HCG false negative phenomenon for an analysis to arouse the attention of peers. 1. Clinical data 1.1 Material Selection HCG test strips Nantong Hongda Biotechnology Co., Ltd. produced. 1.2 Two-step kit Zhengzhou Bosai Biological Reagent Experimental Research Institute production. 1.3 Menopause 35-50 days 30 women’s urine