title: Screening for fragile X syndrome by testicular size measurement.
mesh_terms: D002873:Chromosome Fragility; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000517:prevention & control*; D008297:Male; D012730:Sex Chromosomes; D013577:Syndrome; D013737:Testis / Q000033:anatomy & histology*; D014960:X Chromosome