Klinefelter's and Turner's syndrome in childhood.
D000367:Age Factors; D001827:Body Height; D001835:Body Weight; D002648:Child; D002653:Child Behavior Disorders / Q000209:etiology; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008607:Intellectual Disability; D007713:Klinefelter Syndrome / Q000150:complications / Q000235:genetics; D008297:Male; D010641:Phenotype; D012728:Sex Chromatin; D014424:Turner Syndrome / Q000150:complications / Q000235:genetics