title: An analysis of the parental age effect for inv dup (15).
abstract: Parental ages and birth order were analysed in 16 sporadic cases of inv dup (15) using the method of Smith. A significant maternal age effect was apparent (dm = 5.989, SE 1.86; df = 2.02, SE 2.496; db = 0.138, SE 0.46).
mesh_terms: D000328:Adult; D001722:Birth Order; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002901:Chromosomes, Human, 13-15 / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D010331:Paternal Age; D012044:Regression Analysis; D014314:Trisomy