title: Early development of children with abnormalities of the sex chromosomes: a prospective study.
mesh_terms: D000367:Age Factors; D002657:Child Development; D002675:Child, Preschool; D003394:Craniofacial Dysostosis / Q000235:genetics; D004522:Educational Status; D005145:Face; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping; D007804:Language Development; D007806:Language Disorders / Q000209:etiology*; D008297:Male; D009048:Motor Skills; D010290:Parents; D010551:Personality; D011446:Prospective Studies; D012729:Sex Chromosome Aberrations