A large retroplacental hematoma (H) detected at 25 menstrual weeks, detaching more than 50%of the placenta (P).

Abstract

<p>Retroplacental venous complex (arrows) separated the hematoma and placenta (a); 1 week later, a resolving hematoma (H) contained (arrows) posterior to the placenta (P) (b) <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0111676#pone.0111676-Nyberg1" target="_blank">[8]</a>.</p