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Can J Genet Cytol. 1985 Oct;27(5):565-70.

Cytogenetic studies in spontaneous abortion: the Calgary experience.

Abstract

In a series of 493 apparently consecutive products of spontaneous abortions obtained for cytogenetic studies, tissue culture was attempted in 428 cases; chromosome analysis using the Q-banding technique was completed in 215 cases (50.2%). Abnormal karyotypes were identified in 80 cases (37.2%). Maternal tissue contamination was apparent and the actual frequency of karyotypic abnormal abortuses could be as high as 50%. Comparison of the frequency of a specific type of chromosome abnormalities with nine other series of studies showed the lowest frequency of autosomal trisomies and the highest frequency of triploidies and structural aberrations in the Calgary series. In addition, a significantly lower gestational age was observed for triploidies 69, XXX as compared to the 69, XXY.

PMID:
4063875
[PubMed - indexed for MEDLINE]
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