Six-years' Experience of Pseudomosaicism and Maternal Cell Contamination in Cultured Amniocytes

  • Moon, Shin-Yong (Department of Obstetrics and Gynecology, College of Medicine, Seoul National University) ;
  • Jee, Byung-Chul (Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University) ;
  • Kim, Seok-Hyun (Department of Obstetrics and Gynecology, College of Medicine, Seoul National University) ;
  • Oh, Sun-Kyung (Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University) ;
  • Park, Joong-Shin (Department of Obstetrics and Gynecology, College of Medicine, Seoul National University) ;
  • Choi, Young-Min (Department of Obstetrics and Gynecology, College of Medicine, Seoul National University)
  • 발행 : 1999.12.01

초록

Purpose: To present our experiences in pseudomosaicism or maternal cell contamination in genetic mid-trimester amniocentesis confirmed through percutaneous umbilical blood sampling. Methods: From 1992 to 1997, repeated cytogenetic evaluation with fetal cord blood was carried out in 14 cases showing mosaic patterns. Results: We confirmed pseudomosaicism in 12 cases (85.7%) by repeated cytogenetic evaluation, and also maternal cell contamination in 2 cases. Conclusion: Repeated cytogenetic evaluation via percutaneous umbilical blood sampling was a rapid and useful method for the confirmation of mosaicism resulted from genetic mid-trimester amniocentesis.

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