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Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera

Print version ISSN 1017-8546


VENEGAS, Patricia; FALLAS, Ana Virginia; RIVERA, Julio  and  SANCHEZ, María A. Frecuencia del síndrome de X-Frágil en la consulta de genética del Hospital Nacional de Niños. Rev. méd. Hosp. Nac. Niños (Costa Rica) [online]. 1997, vol.32, n.1-2, pp.9-12. ISSN 1017-8546.

We discussed the importance of the X-Fragile citogenetic studies in the mental retardation that affects mainly men, is hereditary and in our media presents a mental discapacity syndrome. We studied 150 children with mental retardation, since January 1995 and July 1997. They were refered to our laboratory for X-Fragile analysis. We got 10, 6% of positives: 8,6% boys and 2% girls.

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