Epidemiology of chromosome abnormalities in man.
D000782:Aneuploidy; D002869:Chromosome Aberrations / Q000453:epidemiology / Q000209:etiology; D025063:Chromosome Disorders; D002875:Chromosomes; D004314:Down Syndrome / Q000209:etiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011123:Polyploidy; D011247:Pregnancy; D014314:Trisomy