نتایج جستجو برای: cell free fetal dna
تعداد نتایج: 2521461 فیلتر نتایج به سال:
BACKGROUND Analysis of fetal DNA in maternal plasma has recently been introduced as a new method for noninvasive prenatal diagnosis, particularly for the analysis of fetal genetic traits, which are absent from the maternal genome, e.g., RHD or Y-chromosome-specific sequences. To date, the analysis of other fetal genetic traits has been more problematic because of the overwhelming presence of ma...
Correspondence: Dr. C.A. Ionescu e-mail: antoniuginec@ yahoo.com After numerous clinical validation studies, non-invasive prenatal testing for fetal aneuploidy detection is now a clinical reality. While non-invasive prenatal testing was accepted due to the high accuracy for fetal trisomy (21, 18 and 13) detection, recent research showed that genome-wide analysis is able to detect other fetal an...
BACKGROUND The discovery of cell-free fetal DNA in maternal plasma has opened up new possibilities for noninvasive prenatal diagnosis. However, the use of maternal plasma fetal DNA for the direct detection of fetal chromosomal aneuploidies has not been reported. We postulate that the aneuploidy status of a fetus could be revealed by an epigenetic allelic ratio approach, i.e., by analyzing the a...
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