title: Sequencing-based tests to determine fetal down syndrome (trisomy 21) from maternal plasma DNA.
mesh_terms: D015415:Biomarkers; D054598:Blue Cross Blue Shield Insurance Plans; D004247:DNA / Q000097:blood / Q000235:genetics; D004252:DNA Mutational Analysis / Q000379:methods; D018795:Device Approval; D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis* / Q000235:genetics; D005260:Female; D006801:Humans; D011247:Pregnancy / Q000097:blood; D011296:Prenatal Diagnosis / Q000379:methods*; D012307:Risk Factors; D017422:Sequence Analysis, DNA; D013673:Technology Assessment, Biomedical; D014314:Trisomy / Q000175:diagnosis* / Q000235:genetics; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D015415:Biomarkers; D004247:DNA