Placenta
Abnormal placentation
Placenta previa
Author: Mandolin S. Ziadie, M.D.
Last author update: 1 October 2011
Last staff update: 28 October 2020
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed Search: Placenta previa[title] "loattrfree full text"[sb]
Table of Contents
Definition / general | Etiology | Diagrams / tables | Gross description | Gross imagesCite this page: Ziadie MS. Placenta previa. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/placentaplacentaprevia.html. Accessed November 27th, 2024.
Definition / general
- Implantation of the placenta in the lower uterine segment, partially or completely occluding the internal os
- Important cause of late vaginal bleeding and emergent cesarean delivery
Etiology
- Associated with a history of D&C, cesarean delivery and multiparity
Diagrams / tables
Images hosted on other servers:
Placenta previa
Gross description
- Marginal hematomas may be present
- In vaginal deliveries, point of membrane tear may be at the disc edge
Gross images
Images hosted on other servers:
Placenta previa
