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Chinese Journal of Medical Genetics ; (6): 56-59, 2011.
Artigo em Chinês | WPRIM | ID: wpr-234318

RESUMO

<p><b>OBJECTIVE</b>To analyze the chromosome rearrangements and clinical outcome in fetus detected at prenatal diagnosis, and provide information for genetic counseling about de novo chromosomal aberrations.</p><p><b>METHODS</b>From January 2006 to December 2009, we found 12 cases of de novo chromosomal aberrations in 2 583 cases of prenatal cytogenetic analyses and reviewed the karyotypes, other experimental analyses data, fetal ultrasound findings and clinical outcomes.</p><p><b>RESULTS</b>Out of the 12 de novo chromosomal aberrations, 10 had unbalanced translocations and 2 had balanced reciprocal translocations. Eight of the 10 unbalanced translocation cases were terminated therapeutically, and 2 were delivered with full term. Neonates were phenotypically normal in the 2 cases with unbalanced translocations, but 1 had language retardation when followed up. The two balanced translocation cases were delivered with full term, and the neonates were phenotypically normal and clinical examinations were normal too.</p><p><b>CONCLUSION</b>Detailed cytogenetic and molecular study will be adjunctive tools for predicting the phenotype of fetus with de novo chromosomal aberrations. Fetal ultrasound examination will provide convincible demonstration to determine the outcome of pregnancy.</p>


Assuntos
Feminino , Humanos , Gravidez , Aberrações Cromossômicas , Aconselhamento Genético , Hibridização in Situ Fluorescente , Resultado da Gravidez , Diagnóstico Pré-Natal
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