Korean J Obstet Gynecol.
2000 Mar;43(3):386-390.
Rapid detection of aneuploidy in uncultured fetal cord blood cells by FISH ( Fluorescence In Situ Hybridization )
Abstract
OBJECTIVE
To determine the fetal aneuploidy in fetal blood cells from cordocentesis.
METHODS
We analyzed their karyotype and performed fluorescence in situ hybridization(FISH) for chromosome 18, 21, X, and Y in 14 cases
of fetal blood cells from cordocentesis at Department of Obstetrics & Gynecology, College of Medicine, Seoul National University and
Hamchoon Women's Clinic.
RESULTS
In all cases we obtained the consistent results in both methods and were able to rapidly detect aneuploidy in uncultured fetal blood cells
using FISH before karyotyping with culture for 48 hr. The averages for accuracy of FISH were from 84.6 % to 93.9%.
CONCLUSION
In this study we suggest that the rapid detection in uncultured fetal blood using FISH is possible and that this diagnostic method
will be clinically useful when rapid result would be demanded.