title: Invited commentary: Parity and the risk of Down's syndrome--caution in interpretation.
authors.affiliation: Pregnancy Outcome Unit, Epidemiology Branch, South Australian Department of Human Services, Adelaide, South Australia 5000, Australia. Annabelle.Chan@dhs.sa.gov.au
authors.forename: Annabelle
authors.initials: A
authors.lastname: Chan
mesh_terms: D000328:Adult; D016022:Case-Control Studies; D004314:Down Syndrome / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D011256:Pregnancy Outcome; D011296:Prenatal Diagnosis; D015995:Prevalence; D012307:Risk Factors; D014861:Washington / Q000453:epidemiology