Hi thanks for your question.
You are having kidney
stones and now complain of having pain lower abdomen, which is migratory. Yes this pain could be due to passing of urine from kidney to bladder. Other reason for this pain could be urinary tract infection
caused by these stones. The third cause of this pain could be premenstrual syndrome
, in which pain abdomen occur few days before the expected periods.
Get your urine examination and ultrasound
abdomen done to determine the etiology of this pain,
Consultation with a physician is advisable.
Hope this answers your question.