title: Ductus venosus blood flow evaluation: its importance in the screening of chromosomal abnormalities.
authors.forename: N
authors.initials: N
authors.lastname: Montenegro
authors.forename: A
authors.initials: A
authors.lastname: Matias
authors.forename: J C
authors.initials: JC
authors.lastname: Areias
mesh_terms: D002869:Chromosome Aberrations; D005260:Female; D006801:Humans; D008099:Liver / Q000098:blood supply / Q000196:embryology*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D014471:Umbilical Veins / Q000502:physiology*; D014682:Vena Cava, Inferior / Q000196:embryology*