Fig. 1.
Upper abdomen view showing situs solitus. AO, aorta; IVC, inferior vena cava; L, fetal left; R, fetal right; P, fetal posterior; A, fetal anterior; S, stomach.
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.