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Table. 3.

Table. 3.

Technical development and detection limit of home pregnancy test

Technical features & year Reading time (min) Detection limit (IU of hCG/L) Remarks
False positive and false negative due to technical limitations (1976) 125 1,250 e.p.t. (Warner-Chilcott) The first in-home kit approved by the US FDA (1977).
Use immunochromatography technology (1980) 10~30 50~800 Lateral flow immunoassay
Use hCG monoclonal antibodies (1986) 4~85
Use dipstick technology (1990)
Display results with Digital screen, Not Pregnant or Pregnant (2003) 1~5 25~100 Clearblue Digital Pregnancy Test, the concordance rate between the trained coordinator and the general public was 99.3%
Pregnancy test with weeks indicator (2008) 1~5 10~25 Clearblue
Bluetooth-enabled pregnancy test (2016) CES 2016

Abbreviations: EPT, early pregnancy test; CES, Consumer Electronics Show.

Korean J Clin Lab Sci 2018;50:382-90
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