title: Demographic trends of Down's syndrome in Egypt.
mesh_terms: D000328:Adult; D002871:Chromosome Banding; D004314:Down Syndrome / Q000453:epidemiology* / Q000235:genetics; D004534:Egypt; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D009030:Mosaicism; D010331:Paternal Age; D012744:Sex Ratio; D014178:Translocation, Genetic