Ultrasound markers of chromossomal abnormalities in the first trimester of pregnancy

Abstract

These comments are about ultrasound markers of chromosomal abnormalities during the first trimester of pregnancy. Nuchal translucency, nasal bone, facial angle, venosus ductus and tricuspid regurgitation are the most important markers of aneuploidy. Headlines about method, physiology, ultrasound tips and relevant abstracts are discussed.