ABNORMALITIES IN THE SHAPE OF THE GESTATIONAL SAC  

  1. Normal Shape.
  2. Abnormal Shape.

 

An oblong gestational sac on transabdominal scanning may result from an overfilled bladder.

 

 

 

Irregular crenated inner margin.

 

 

 

Distorted shape

 

 

 

 

Video image of an elongated gestational sac