Figure 2.
Example of headache diary of patient with pure menstrual and menstrual-related migraine. The Xs represent headache days; Ms represent reported menstruation days.
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.