As of 2007, ethanol is produced mostly from sugars or starches, obtained from fruits and grains. In contrast, cellulosic ethanol is obtained from cellulose, the main component of wood, straw, and much of the structure of plants.
The most common symptoms of endometriosis include: 1  Pelvic pain - usually, but not always, associated with menstrual periods. The pain can be severe and debilitating. 2  Bowel related symptoms such as bloating and fluctuating bowel habit, similar to irritable bowel syndrome (IBS) 3  Pain during or after sexual intercourse.
Pain is the main symptom of endometriosis. This can include painful periods, pain in the lower abdomen before and during menstruation, pain with sexual intercourse, pain with bowel movements, and cramps for a week or two before and during menstruation. There also may be no symptoms at all.