Empty amnion sign

Dr Daniel J Bell and Radswiki et al.

The empty amnion sign is a sonographic observation where there is the visualization of an amniotic sac without concomitant visualization of an embryo. It is an indicator of pregnancy failure regardless of the mean sac diameter and is considered to have a sufficiently high positive predictive value 2.  

See also

Article information

rID: 15186
System: Obstetrics
Section: Signs
Tag: stub, cases
Synonyms or Alternate Spellings:
  • Empty amnionitc sac sign

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.