Ultrasound markers & abnormalities Aberrant right subclavian artery (ARSA)Absence of nasal boneArthrogyprosis multiplex congenita (AMC)Choroid plexus cyst (CPC)Club footDilated renal pelvisEchogenic intracardiac focusEchogenic bowelFacial cleftOmplaolocelePersistent left superior vena cavaPersistent right umbilical veinSingle umbilical artery (SUA)Ventriculomegaly of fetal brain