What causes female stomachache?

The causes of abdominal pain in girls are particularly numerous and clinically complex. The most common causes are gastrointestinal diseases, including gastrointestinal cramps or appendicitis, especially with typical radiation pain. In addition, due to physiological characteristics of women, pelvic inflammation, including menstrual dysmenorrhea, are the causes of female abdominal pain. If the right upper abdomen pain, more common in hepatobiliary system diseases; if the right lower abdomen pain, more common in appendicitis; if the umbilical pain, more small intestine diseases, such as intestinal spasm caused by small intestine inflammation.