title: [This is not a karyotype… For a sound and validated approach of advanced non-invasive screening of fetal trisomy 21 in maternal blood].
authors.affiliation: Service d'obstétrique et de médecine fœtale, GHU Necker-Enfants Malades, 149, rue de Sèvres, 75015 Paris, France. Electronic address: ville.yves@gmail.com.
authors.forename: Y
authors.initials: Y
authors.lastname: Ville
authors.affiliation: Service d'obstétrique et de médecine fœtale, GHU Necker-Enfants Malades, 149, rue de Sèvres, 75015 Paris, France.
authors.forename: L J
authors.initials: LJ
authors.lastname: Salomon
authors.affiliation: Collège français d'échographie fœtale, Paris, France.
authors.forename: N
authors.initials: N
authors.lastname: Fries
mesh_terms: D000328:Adult; D001774:Blood Chemical Analysis / Q000592:standards; D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D005602:France / Q000453:epidemiology; D006801:Humans; D007621:Karyotyping / Q000379:methods / Q000592:standards* / Q000706:statistics & numerical data; D008423:Maternal Age; D009035:Mothers; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards* / Q000706:statistics & numerical data; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity