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[Amniocentesis in a woman with trisomy 21 and a fetus with normal karyotype but with abnormalities]. | LitMetric

The limitation of amniocentesis is emphasised by a mother with trisomy 21 who had a baby with a normal karyotype but with malformations. The question is posed whether half the infants of women with trisomy 21 are normal and half have a trisomy. With more observations it may become apparent that there are an excess of children without the trisomy.

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