Novel assay accurately detects trisomy 21 or 18 from maternal blood samples
Current screening strategies for Down syndrome, caused by fetal trisomy 21 (T21), and Edwards syndrome, caused by fetal trisomy 18 (T18), have false positive rates of 2 to 3%, and false negative rates of 5% or higher. Positive screening results must..
Original Article: Novel assay accurately detects trisomy 21 or 18 from maternal blood samples
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