Noninvasive Fetal Sex Determination Using Cell-Free Fetal DNA
نویسندگان
چکیده
منابع مشابه
early 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...
متن کاملEvaluation of Sample Stability and Automated DNA Extraction for Fetal Sex Determination Using Cell-Free Fetal DNA in Maternal Plasma
OBJECTIVE The detection of paternally inherited sequences in maternal plasma, such as the SRY gene for fetal sexing or RHD for fetal blood group genotyping, is becoming part of daily routine in diagnostic laboratories. Due to the low percentage of fetal DNA, it is crucial to ensure sample stability and the efficiency of DNA extraction. We evaluated blood stability at 4°C for at least 24 hours a...
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In many farm animal species, the preference of a specific sex is obvious mainly due to commercial implications; so for comprehensive and efficient results in the livestock management plans specially breedingand selection programs, it is necessary to include acost-effective and reliable strategy for early determination of fetal sex. Several invasive and non-invasive approaches have been establis...
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National guidelines recommend that all pregnant women be offered screening for fetal chromosomal abnormalities, the majority of which are aneuploidies (an abnormal number of chromosomes). The trisomy syndromes are aneuploidies involving 3 copies of 1 chromosome. Trisomies 21 (T21), 18 (T18), and 13 (T13) are the most common forms of fetal aneuploidy that survive to birth. Noninvasive prenatal s...
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Background: Detection of fetal sex is valuable for parents. The aim of this study was detection of fetal sex in suspect cases recessive related to sex disease in first trimester of pregnancy. Material and method: After collecting C.V samples and separating from mother’s samples, their DNAs have been extracted, then doing PCR, finally the sex of them detected. Also, after increase in sensitivit...
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ژورنال
عنوان ژورنال: JAMA
سال: 2011
ISSN: 0098-7484
DOI: 10.1001/jama.2011.1114