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.
Systematic review of studies investigating (a) birth size measurements and (b) maternal age and percent breast density. I. Birthweight and percent density, II. birth length and percent density, and III. head circumference and percent density data are shown. Studies classified as using a computer-assisted categorical breast density assessment method collected a quantitative measure of mammographic percent density but used a categorical measure in the analysis
