What is the pain in the lower abdomen after urination in the third trimester of pregnancy?

After urination in late pregnancy, abdominal pain has a certain chance of being caused by the compression symptoms caused by fetal head into the basin, and may also be caused by urinary tract infection. Women do not pay attention to the cleanliness of the perineum. After pathogens enter the female urethra, they will cause this symptom. Suggestions: Women can go to the hospital to do routine urine examination to determine the cause.