[Triplo X: about an observation]

ABSTRACT

Triplo X is a gonosomal disorder. The incidence in the new-born population is approximately 1 per 1000 female infants. The origin of the extra X are scanty although it seems to be mostly maternal. It result from a non disjunction at meiotic division. There is not a special dysmorphie face; we found a large size, mental retardation with difficulty of training of the language. Fertility present in many cases. The diagnostic is carried by the survey of the caryotype. We bring back an observation of triplo X case