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.
Placental histological features from case 1 at 8 weeks of gestational age [(a), (b), and (c)] and case 2 at 32 weeks of gestational age [(d), (e), and (f)]. Chorionic villi (small arrow) surrounded by tumor trophoblast cells [cytotrophoblast and intermediate trophoblast with patchy small foci of syncytiotrophoblast (arrow)]. Mitotic figures (head arrow).
