title: [Problems posed by genetic diseases. Chromosomal disorders, trisomy 21].
authors.affiliation: Service de génétique clinique, chromosomique et moléculaire, Centre de référence des anomalies du développement embryonnaire Centre-Est, CHU de Saint-Etienne, hôpital Nord, 42055 Saint-Etienne Cedex 2, France. renaud.touraine@chu-st-etienne.fr
authors.forename: Renaud
authors.initials: R
authors.lastname: Touraine
authors.forename: Bénédicte
authors.initials: B
authors.lastname: de Fréminville
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D004314:Down Syndrome / Q000150:complications* / Q000175:diagnosis*; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis