Cite this page: Ziadie MS. Smoking. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/placentasmoking.html. Accessed July 21st, 2019.
Definition / general
- Maternal smoking is associated with a single umbilical artery and increased cord vessel branching (BMJ 1991;302:569)
- Placental weights are often greater than in nonsmokers
Microscopic (histologic) description
- May show increased calcification, Tenney-Parker change, villous fibrosis and thickened trophoblastic basement membranes