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. 1983 Oct 15;129(8):846–850.

Cytogenetic findings in over 2000 amniocenteses.

J E Allanson, B C McGillivray, J G Hall, D Shaw, D K Kalousek
PMCID: PMC1875611  PMID: 6225506

Abstract

Between 1971 and 1981, 58 (2.8%) of 2037 amniocenteses performed in Vancouver revealed chromosome abnormalities, 25 of which were trisomy 21. Of the 58 referrals that yielded abnormalities, 37 (63.8%) were for a maternal age of 38 years or more. The rates of detection of such abnormalities for single-year intervals of maternal age beyond 35 years were comparable to those calculated from pooled data obtained in multicentre studies in the United States, Canada and Europe.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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