Noninvasive prenatal testing (NIPT) based on cell-free DNA analysis from maternal blood is a screening test; it is not diagnostic. False positive and false negative results do occur. Test results must not be used as the sole basis for diagnosis. Further confirmatory testing is necessary prior ...
Noninvasive prenatal testing (NIPT) analyzes cell-free DNA from a maternal blood sample to screen for common chromosomal conditions as early as the first trimester.
母体染色体嵌合是导致NIPT性染色体非整倍体检测不符的重要原因 性染色体非整倍体疾病(Sex Chromosome Aneuploidies,SCAs)、21-三体综合征、18-三体综合征和13-三体综合征是临床上常见的人类染色体疾病。 背景:性染色体非整倍体疾病(Sex Chromosome Aneuploidies,SCAs)、21-三体综合征、18-三体综合征和13-三体综合征是...
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