Placental findings in specific newborn / fetal or maternal conditions

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

Revised: 16 October 2017, last major update October 2011

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

PubMed Search: Placenta aneuploidy [title]

Cite this page: Ziadie, M. Aneuploidy. website. Accessed June 24th, 2018.
Definition / general
  • Abnormal fetal karyotype associated with changes in the placenta, including hydrops that may be due to reduced circulation that leads to stromal edema (Hum Pathol 1998;29:1195)
Microscopic (histologic) description
  • Aneuploid pregnancies show nonspecific changes that include: stromal edema, cavitation, trophoblastic hyperplasia and reduced vascularization