[Prenatal diagnosis of trisomy 21: limits of chorionic villi sampling].
An analysis of the limits, risks and difficulties of interpreting trophocentesis leads to the conclusion that the method is effective and free from maternal risk. The unsuccessful cases and the "fetal losses" are however more numerous than for amniocentesis.
de Saint-Hilaire
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Service de Gynécologie-Obstétrique, Hôpital de la Croix-Rousse, Lyon, France.
D015193:Chorionic Villi Sampling / Q000009:adverse effects / Q000379:methods / Q000592:standards*; D004314:Down Syndrome / Q000175:diagnosis* / Q000453:epidemiology; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007621:Karyotyping; D011247:Pregnancy; D011256:Pregnancy Outcome
Diagnostic anténatal de la trisomie 21: limites de la trophocentèse.