title: Reply: To PMID 23529082.
authors.affiliation: Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Electronic address: mmennuti@obgyn.upenn.edu.
authors.forename: Michael T
authors.initials: MT
authors.lastname: Mennuti
authors.affiliation: Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Lorraine
authors.initials: L
authors.lastname: Dugoff
authors.affiliation: Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Jennifer J D
authors.initials: JJ
authors.lastname: Morrissette
authors.affiliation: Stanford University School of Medicine, Palo Alto, CA.
authors.forename: Athena M
authors.initials: AM
authors.lastname: Cherry
mesh_terms: D003951:Diagnostic Errors / Q000517:prevention & control*; D005260:Female; D005820:Genetic Testing; D006801:Humans; D062145:Maternal Serum Screening Tests; D011247:Pregnancy; D014314:Trisomy / Q000175:diagnosis*