Table 1.

Sonographic findings in trisomy 9

Organ/system	Alteration
Skull/head	Abnormal morphology (“strawberry shape”), brachycephaly, dolichocephaly.
Central nervous system	Ventriculomegaly
	Vermis hypoplasia
	Megacisterna magna
Face	Dismorphic
	Hypotelorism
	Microphthalmia
	Micrognathia
Neck	Edema
Thorax	Thoracic narrowing
	Pleural effusion
	Pericardial effusion
	Diaphragmatic hernia
Heart	Septal defects
	Hypoplasia
	Thickened muscle wall
Abdomen	Ascites
	Echogenic bowel
Kidneys	Policystic kidneys
	Dysplasia
	Hydronephrosis
Limbs	Bilateral clubfoot
	Clenched hands
	Overlaying fingers
Other findings	Single umbilical artery
	Reversed ductus venous
	Short femur
	Oligohydramnios