Why do you often have two or three months without menstruation and often have lower back pain?

Patient's question:

Sure, here is the translation of the content you provided:
No

Doctor's answer:

Lower back pain may be caused by muscle strain or kidney stones. An ultrasound examination can help with diagnosis. If it is the former, massage or heat therapy can be used. If it is the latter, lithotripsy or surgery can be used for treatment.