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.
A. Ultrasonography of a 34-year-old pregnant woman (intrauterine pregnancy, 23 weeks) shows diffuse enlargement of the nonfatty glandular component with diffuse hypoechogenicity. B, C. Ultrasonography of a 30-year-old lactating woman show diffuse enlargement of the glandular component with multiple hyperechogenic dots and a prominent ductal system with ductal dilatation.
