title: Down's syndrome and maternal age.
mesh_terms: D001323:Autoantibodies; D001327:Autoimmune Diseases; D002875:Chromosomes; D004314:Down Syndrome / Q000453:epidemiology; D004739:England; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D008540:Meiosis; D009154:Mutation; D011336:Probability; D013548:Sweden; D013961:Thyroid Gland / Q000276:immunology
chemical_list: D001323:Autoantibodies