An official website of the United States government
Here's how you know
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.
Facial appearance of affected males. a, b: individual IV-1 at age 1.5 and 4.5 years. c, d: individual IV-4 at age 7 and 10 years. e, f: individual III-3 as a child and at 44 years.