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Revista de Ciencias Médicas de Pinar del Río

On-line version ISSN 1561-3194


BLANCO PEREZ, Irenia et al. Results of the Prenatal Cytogenetic Diagnosis in Pinar del Río. Rev Ciencias Médicas [online]. 2013, vol.17, n.6, pp.87-95. ISSN 1561-3194.

Introduction: the Cytogenetic Prenatal Diagnosis using amniotic liquid cells contitutes the main resource in Cuba to carry out cromosomal studies in pregnant women with risk of having an afected baby. Objective: to describe main chromosomal disorders detected in the cytogenetic prenatal diagnosis in Pinar del Río Province from January 2007 to December 2012. Material and method: a descriptive, retrospective study was carried out of 2,777 patients referred to the Province Center of Medical Genetics for prenatal studies. Compiled data were: referral causes, number and types of detected chromosomal disorders, and pregnant women with a prenatal diagnosis of congenital malformations, who decided for complete gestation. Results: during that period a sheer number of 2,777 prenatal chromosomal studies were carried out. The prevalent referral cause was advanced maternal age (75.62% of all cases). A total of 43 fetuses with chromosomal abnormalities, including 28 cases with aneuploidies, 12 with structural reorderings and 3 chromosomal mosaics. Conclusions: the work was done under diagnostical and technical internationally established criteria for these types of studies, the positiveness percentage was 1.54 and the results obtained were similar to those reported by other studies.

Keywords : Prenatal diagnosis; Sex chromosome aberrations; Genetic translocation; Mosaicism.

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