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.
Schematic representation of abdominopelvic floor configuration at rest (left panel), during defecation in healthy persons (center panel) and in DD (right panel). Among DD patients, the change in abdominal pressure during defecation is either normal or reduced, infrequently increased.
