Non-Invasive Prenatal Diagnosis Using Cell-Free Fetal DNA Technology: Applications and Implications
نویسندگان
چکیده
منابع مشابه
Cell-free fetal DNA and non-invasive prenatal diagnosis.
Currently in the UK, prenatal diagnosis of genetic conditions and Down’s syndrome requires invasive diagnostic tests such as amniocentesis and chorionic villus sampling (CVS). Procedural related miscarriage rates of about 1% have been quoted for these tests which are not usually done before 11 weeks’ gestation. Annually in the UK, 32 000 women have an invasive diagnostic test as a result of oth...
متن کاملNon-invasive prenatal diagnosis of fetal trisomy 21 using cell-free fetal DNA in maternal blood
Since the existence of cell-free fetal DNA (cff-DNA) in maternal circulation was discovered, it has been identified as a promising source of fetal genetic material in the development of reliable methods for non-invasive prenatal diagnosis (NIPD) of fetal trisomy 21 (T21). Currently, a prenatal diagnosis of fetal T21 is achieved through invasive techniques, such as chorionic villus sampling or a...
متن کاملNon-Invasive Prenatal RHD Genotyping Using Cell-Free Fetal DNA from Maternal Plasma: An Italian Experience.
BACKGROUND This study assessed the diagnostic accuracy of a non-invasive approach to fetal RHD genotyping using cell-free fetal DNA in maternal plasma and a combination of methodological strategies. METHODS Real-time PCR (qPCR) was performed on 216 RhD-negative women between weeks 10+0 and 14+6 of gestation (1st qPCR). qPCR was repeated (2nd qPCR) to increase the amount of each sample for ana...
متن کاملNon-invasive prenatal testing using cell-free fetal DNA in maternal circulation.
The identification of cell-free fetal DNA (cffDNA) in maternal circulation has made non-invasive prenatal testing (NIPT) possible. Maternal plasma cell free DNA is a mixture of maternal and fetal DNA, of which, fetal DNA represents a minor population in maternal plasma. Therefore, methods with high sensitivity and precision are required to detect and differentiate fetal DNA from the large backg...
متن کاملearly non-invasive determination of fetal sex using cell-free dna
the first step in the prenatal diagnosis of x-linked genetic disorders is determining fetus gender. current invasive methods to obtain the dna source of the fetus instead of its miscarriage risk, has harmful stress for high risk pregnancies. cell free fetal dna (cffdna) circulating in the maternal blood, has now become a useful source of noninvasive prenatal diagnosis. considering limitation of...
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ژورنال
عنوان ژورنال: Public Health Genomics
سال: 2010
ISSN: 1662-8063,1662-4246
DOI: 10.1159/000279626