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.
Image showing the fetal heart pointing (yellow arrow) to the right side of fetal thorax (dextrocardia). R, fetal right; L, fetal left; RA, right atrium; RV, right ventricle; LA, left atrium; LV, left ventricle. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
