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Case Reports
. 2023 Jul;68(4):1401-1404.
doi: 10.1111/1556-4029.15274. Epub 2023 May 6.

Detection of human chorionic gonadotropin (HCG) in fabric urine stains older than five years

Takumi Minamiyama  1 , Masataka Kawamoto  1 , Ryota Matsunari  1 , Deng Ting  1 , Hiroshi Ikegaya  1
Affiliations
Case Reports

Detection of human chorionic gonadotropin (HCG) in fabric urine stains older than five years

Takumi Minamiyama et al. J Forensic Sci. 2023 Jul.

Abstract

Human chorionic gonadotropin (HCG) is used in clinical medicine as a particularly important indicator to determine pregnancy. In this study, it was necessary to determine whether the urine spots on car seat fabric from a murder 5 years previously were from a pregnant woman. The HCG in the dried urine spot on a car seat was detected using an immunochromatography kit. It was found that the HCG in urine can be detected for much longer periods of time than the previously reported period of approximately 6 months.

Keywords: human chorionic gonadotropin; immunochromatography; pregnancy; urine spots.

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