Most people, especially the elderly and the women, experience lower abdominal pain, mainly because the organs in that region are affected in different ways. Basically, the abdomen is divided into nine regions, each containing different organs, though they may overlap such that parts of the same organ are in different regions. On this lower left region are parts of the large intestines and small intestines, left ureters, and ovary and Fallopian tubes in women.
The organs can be affected by Inflammation, infection, tumors and stones in the case of the ureters. These will cause pain, which may also be associated with lower right abdominal pain, because of the similar organs on the right. For example, right ureters can be affected when the left ones are affected. Because of the close anatomical association of the stomach with the intestines, the stomach is sometimes affected, and you will normally experience stomach pain after eating.
There are also other causes of this pain, and some of them include constipation, an obstruction in the intestine, and pain during ovulation in women, and ectopic pregnancy whereby the fertilized egg does not get implanted in the uterus. However, if you experience any pain here, do not hesitate to see your doctor for further advice.