Fig. 21. A first-trimester fetus with a flat facial profile.
Sagittal view of the fetal face shows a flat forehead (FH) (arrow), nose (N) (arrowhead), and a receding chin (C) (curved arrow).
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.