Incidence of major chromosome aberrations in 12,319 newborn infants in Tokyo.
D002869:Chromosome Aberrations; D005260:Female; D005820:Genetic Testing; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D012728:Sex Chromatin; D012729:Sex Chromosome Aberrations; D014041:Tokyo