Placental findings in specific newborn / fetal or maternal conditions
Missed abortion

Topic Completed: 1 October 2011

Minor changes: 19 February 2019

Copyright: 2002-2019,, Inc.

PubMed Search: Missed abortion [title] placenta

Mandolin S. Ziadie, M.D.
Page views in 2019: 3,951
Page views in 2020 to date: 1,924
Cite this page: Ziadie MS. Missed abortion. website. Accessed May 30th, 2020.
Definition / general
  • Fetal death with delayed abortion resulting in passage of placental tissue without an embryo
Gross description
  • Placental tissue including a gestational sac and villi are present in the absence of a fetus
Microscopic (histologic) description
  • Normal or hydropic villi, sometimes with cisterns and without trophoblastic hyperplasia
  • Dysmorphic villi suggest a chromosomal abnormality
  • Other features may reveal a cause of fetal death including vasculitis, infarction, perivillous fibrin, deciduitis and intervillositis
Differential diagnosis
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