A 10-week fetal head adjacent to a moderate-size (one-third to one-half of the chorionic sac circumference) subchorionic hematorna (arrows) [26].

Abstract

<p>A 10-week fetal head adjacent to a moderate-size (one-third to one-half of the chorionic sac circumference) subchorionic hematorna (arrows) <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0111676#pone.0111676-Bennett1" target="_blank">[26]</a>.</p