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.
The number of studies that tested for a significant effect of IBS symptoms on menstrual cycle is presented. The p-value of significance was specific to each study. One study was not included in the figure because statistical analysis of menstrual cycle effect on bloating was not performed.37 Another study was not included because it did not specifically evaluate a menstrual cycle effect on these symptoms.45
