title: Combined first trimester or cffDNA screening.
authors.affiliation: Royal Prince Alfred Hospital Sydney, University of Sydney, Sydney, NSW, Australia.
authors.forename: J
authors.initials: J
authors.lastname: Hyett
mesh_terms: D000022:Abortion, Spontaneous / Q000517:prevention & control*; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005820:Genetic Testing; D006801:Humans; D048208:Nuchal Translucency Measurement / Q000379:methods*; D011247:Pregnancy; D011296:Prenatal Diagnosis