title: Prenatal screening for trisomy 18. Should not be attempted.
authors.forename: T
authors.initials: T
authors.lastname: Davies
mesh_terms: D002887:Chromosomes, Human, Pair 18; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014314:Trisomy / Q000175:diagnosis*