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PURPOSE: To determine the frequency of genetic alterations in a population of Brazilian infertile men with severe oligozoospermia or non-obstructive azoospermia. MATERIALS AND METHODS: Retrospective study of a group of 143 infertile men with severe oligozoospermia or non-obstructive azoospermia from the Andrology Outpatient Clinic of the Human Reproduction Service at the ABC School of Medicine. Of these patients, 100 had severe oligozoospermia, and 43 non-obstructive azoospermia. All patients underwent a genetic study which included karyotype analysis and Y-microdeletion investigation. RESULTS: Genetic abnormalities were found in 18.8% of the studied patients. Chromosomal abnormalities were found in 6.2% of the patients, being more prevalent in the azoospermia group (11.6%) than in the oligozoospermia group (4%). Chromosomal variants were found in 8.3%, and Y-chromosome microdeletions in 4.2% of patients. CONCLUSION: The high frequency of genetic alterations (18.8%) in our series justified performing a genetic investigation in a population with idiopathic infertility, as results may help determine the prognosis, as well as the choice of an assisted reproduction technique. Moreover, a genetic investigation could minimize the risk of transmitting genetic abnormalities to future generations such as genetic male infertility, mental retardation, genital ambiguity and/or birth defects.

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SciELO Brasil - Scientific Electronic Library Online  

Autor(es)

Mafra,Fernanda A. -  Christofolini,Denise M. -  Bianco,Bianca -  Gava,Marcello M. -  Glina,Sidney -  Belangero,Sintia I. N. -  Barbosa,Caio P. - 

Id.: 53328003

Idioma: inglés  - 

Versión: 1.0

Estado: Final

Tipo:  text/html - 

Palabras clavemale infertility - 

Tipo de recurso: journal article  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

Formatos:  text/html - 

Requerimientos técnicos:  Browser: Any - 

Fecha de contribución: 27-jul-2011

Contacto:

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