Figure 1.
Preoperative ultrasonographic image. EM: endometrium, GS: gestational sac. GS was distinct from EM at the left side of the uterus.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.