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.
Other symptoms of endometriosis include: 1  pain during or after sexual intercourse. 2  chronic pelvic pain. 3  infertility â endometriosis is often diagnosed during investigations for fertility problems. 4  pain when opening the bowels or passing urine (usually during the monthly period) 5  heavy periods or bleeding between periods.