title: Will PAPP-A be a biochemical marker for screening of Down's syndrome in the first trimester?
authors.affiliation: Department of Obstetrics and Gynaecology, Queen Mary's University Hospital, Roehampton, UK.
authors.forename: K
authors.initials: K
authors.lastname: el Farra
authors.forename: J G
authors.initials: JG
authors.lastname: Grudzinskas
mesh_terms: D000022:Abortion, Spontaneous / Q000097:blood; D015415:Biomarkers; D002869:Chromosome Aberrations; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011271:Pregnancy, Ectopic / Q000097:blood; D011266:Pregnancy-Associated Plasma Protein-A / Q000032:analysis* / Q000737:chemistry / Q000378:metabolism; D011296:Prenatal Diagnosis
chemical_list: D015415:Biomarkers; D011266:Pregnancy-Associated Plasma Protein-A