It is common for babies to wet their pants, but a 20-month-old baby girl in Shantou has to change her diaper more than ten times a day, which really gives parents a headache. The reporter learned today from the urology department of Guangdong Second People’s Hospital that she had an extra urinary system than usual. Baby girl Ying Ying was born less than two months ago, her mother found that she was very easy to pee her pants, and often unknowingly drip urine after peeing. Because diaper changes were too frequent, Yingying’s mother went to a private clinic in town for help, but the doctor said “there was nothing wrong. Until the middle of July this year, Yingying was still in a state of urinary incontinence, so her parents panicked. ”We gave her a detailed examination and found that her right kidney had a complete duplication malformation, which means there are two sets of renal pelvis and ureter on her right side.” Dr. Yang Guosheng, director of urology department of Guangdong Second People’s Hospital, said that the extra pelvis and ureter were obviously waterlogged, and the “extra” ureter opened at the front wall of the vagina, so part of the urine did not pass through the bladder but was discharged outside the body through the vagina, while the left kidney and the normal kidney on the right side were connected to the bladder through the ureter and could still store and excrete urine normally. “So on the one hand, Ying Ying can have the urge to urinate and can urinate normally like normal people, on the other hand, the urine produced by the deformed kidney is discharged from the vagina through the ureter, not stored through the bladder and dripping all the time.” Recently, Ying Ying underwent a laparoscopic ureterectomy of the duplicate kidney to remove the “extra” set of hydronephrosis and ureter, so that all the urine flows normally to the bladder and is controlled by the bladder to discharge urine normally. The surgery was very successful and Ying Ying returned to normal immediately after the surgery. Director Yang Guosheng introduced that malformed duplicate kidney is mainly a congenital disease with very low probability, and the patients are mainly female babies. If the child urinates particularly frequently, parents had better go to the hospital urology department for a checkup to rule out malformed duplicate kidneys.