The stinging sensation in the urethra when the fetus moves is usually seen in cases such as fetal oversize compression of the bladder and urinary tract infections. It is recommended that patients go to the hospital in a timely manner and improve the relevant tests to help confirm the diagnosis, which is commonly seen in the following cases: 1. Fetus oversize compression of the bladder: mostly seen in late pregnancy, due to excessive nutritional intake and other causes of fetus oversize, which can compress the bladder and cause the phenomenon of stinging sensation in the urethra when the fetus moves. Usually, if the symptoms are mild, they can be left alone and generally disappear after delivery. If the pain is more serious, you can communicate with your doctor and apply massage and hot compresses under the guidance of your doctor to relieve the pain; 2, urinary tract infections: during pregnancy, due to more secretions, and fetal activity, pressure on the bladder, ureter and other causes of poor urinary tract, prone to urinary tract infections, that is, urinary tract infections, urethra can have a stinging sensation, symptoms can appear or worsen with fetal movement. Urine examination can help to confirm the diagnosis. After the diagnosis, you should drink more water and urinate more often, and you can take appropriate oral medication for anti-infection treatment under the guidance of the doctor; 3. Other: not paying attention to personal hygiene, bacterial, fungal or parasitic infections, and bad stimulation and other factors lead to vaginitis, the inflammation spreads to the surrounding area and spreads to the urethra can also cause stinging sensation, and the pain can appear or worsen with fetal movement. In addition, the presence of urethral stones, tumors, polyps and other lesions can also cause stabbing pain in the urethra, mostly persistent pain, but when the symptoms are mild, it can also be manifested as stabbing pain with fetal movement.