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Maternal age-specific rates of 47,+21 and other cytogenetic abnormalities diagnosed in the first trimester of pregnancy in chorionic villus biopsy specimens: comparison with rates expected from observations at amniocentesis.
Results are presented on chromosome analyses made on 4,481 embryos or fetuses studied through chorionic villus sampling (CVS) in whom there was no known bias to presence of a chromosome abnormality except advanced parental age. We excluded from the analysis most cases in which mosaicism was diagnose...
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| Main Authors: | , , , , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
1988
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1715211/ https://ncbi.nlm.nih.gov/pubmed/2967030 |
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