Yes, bleeding and endometriosis (both) cause adhesions. There's a huge link between endometriosis and adhesions. It's much recognized.
Here's a link to an excellent article from a surgeon who works with both endo and adhesions:
http://www.centerforendo.com/articles/adhesionsupdate.htm
The author reaches some general conclusions about adhesiolysis that are sure to be of interest.
Yours,
-- Mark in Seattle
-- Mark in Seattle