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

Author: Mandolin Ziadie, M.D. (see Authors page)

Revised: 16 October 2017, last major update October 2011

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Missed abortion [title] placenta

Cite this page: Ziadie, M. Missed abortion. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/placentamissedab.html. Accessed November 24th, 2017.
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