Abdominal Wall & GI Tract Abnormalities

1.       Duodenal Atresia (Double Bubble Sign)

-Usually present with polyhydramnios

-Dilation of the duodenum resulting from stenosis/atresia 

2.       Gastroschisis

- Most often right-sided

- Full thickness paraumbilical defect of the abdominal wall

3.       Ectopia Cordis

- Midline fetal defect with all/part of the heart extruded out of sternum (with or without membrane)

- Associated with trisomy 18

4.       Amniotic Band Syndrome

  

 

- Extrusion of abdominal contents into amniotic fluid with the presence of a shortened and 2vc

       - Oligohydramnios