Turner G, Webb T, Wake S, Robinson H
Hunter Genetics Service, Newcastle, New South Wales, Australia.
Am J Med Genet. 1996 Jul 12;64(1):196-7. doi: 10.1002/(SICI)1096-8628(19960712)64:1<196::AID-AJMG35>3.0.CO;2-G.
The much-quoted prevalence figure of 1:1,000 males for fragile X syndrome is an overestimate in a mixed ethnic population. A reexamination of the individuals from whom those data were derived using molecular diagnostic techniques demonstrates a more realistic figure of 1:4,000 males.