¿A cuántas personas afecta el Síndrome de Rett? ¿Tiene la misma prevalencia en hombres y mujeres? ¿Y en los diferentes paises?
Original
In occurs mainly in females. It's prevalence is 1 in 10,000. When it does occur in male, it is very likely they have an extra x chromosome. Most males die before birth, and those who survive, usually don't survive past 2 years.