Chorionic hematoma

Chorionic hematoma
Other namesChorionic hemorrhage, chorionic bleed
Ultrasound showing a subchorionic hemorrhage[1]

Chorionic hematoma is the pooling of blood (hematoma) between the chorion, a membrane surrounding the embryo, and the uterine wall.[2] It occurs in about 3.1% of all pregnancies,[2] it is the most common sonographic abnormality and the most common cause of first trimester bleeding.[3]

  1. ^ "UOTW #3 Answer - Ultrasound of the Week". Ultrasound of the Week. Retrieved 27 May 2017.
  2. ^ a b Nagy, Sándor MD; Bush, Melissa MD; Stone, Joanne MD; Lapinski, Robert H. PhD; Gardó, Sándor MD, DSci. Clinical Significance of Subchorionic and Retroplacental Hematomas Detected in the First Trimester of Pregnancy [1]. Obstetrics & Gynecology: July 2003 - Volume 102 - Issue 1 - p 94-100
  3. ^ Avneesh Chhabra, MD et al. "Subchorionic Hemorrhage" [2], Medscape.