how often is 'recurring' pain
Chronic abdominal pain is pain that is present for more than 3 months. It may be present all the time or come and go (recurring). Chronic abdominal pain usually occurs in children beginning after age 5 years. About 10 to 15% of children aged 5 to 16 years, particularly those aged 8 to 12 years, have chronic or recurring abdominal pain. It is somewhat more common among girls.