title: Thyroid antibodies, Down's syndrome, and maternal age.
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies; D004314:Down Syndrome / Q000276:immunology*; D005260:Female; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D009030:Mosaicism; D013961:Thyroid Gland / Q000276:immunology*
chemical_list: D000906:Antibodies