Fetal cardiomegaly

Dr Henry Knipe and Radswiki et al.

Fetal cardiomegaly (FC) essentially refers to an enlarged fetal heart. It is variably defined with some sources stating the cut off as a fetal cardio-thoracic circumference above two standard deviations 7


It can arise from a number of situations which include


In the vast majority of cases the cardiac enlargement involves the right sided chambers with the right atrium being involved in ~ 90% of cases. 

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Article information

rID: 15004
Section: Pathology
Synonyms or Alternate Spellings:
  • Fetal cardiomegaly (FC)
  • Fetal cardiac enlargement

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