title: Toronto's Mount Sinai Hospital offers first-trimester screening across Ontario.
authors.forename: Barry
authors.initials: B
authors.lastname: Hoffman
authors.forename: Jo-Ann
authors.initials: JA
authors.lastname: Johnson
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006786:Hospitals, Urban; D006801:Humans; D009864:Ontario; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis