title: A duplication within the critical fertility region of X chromosome in a mentally retarded woman with normal menarche.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D000328:Adult; D002869:Chromosome Aberrations; D005260:Female; D005298:Fertility; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008572:Menarche; D014960:X Chromosome