What is the reason for the lower abdominal pain on the left side?

Patient's question:

Lower abdominal heaviness pain
Lower abdominal distending pain
Two months without menstruation
May I ask what is wrong with you?

Doctor's answer:

Hello, this situation may be caused by problems such as pelvic inflammatory disease or adnexitis. It is recommended to go to the gynecology department of a hospital for a formal examination to confirm the diagnosis. Actively treat the symptoms according to the condition.