Infant hydronephrosis will disappear by itself before two years old if it is physiological hydronephrosis, if it is pathologic hydronephrosis, it will not disappear by itself.
1. Physiological hydronephrosis: most newborns have hydronephrosis caused by the separation of the collecting duct system, the amount of hydronephrosis is relatively small, and the renal function is normal, the baby’s condition is relatively good, physiological hydronephrosis is mostly do not need special treatment, and it will be absorbed gradually by the age of two years.
2. Pathological hydronephrosis: If the infant’s hydronephrosis is caused by disease, such as urinary tract obstruction, it often cannot recover by itself, and the condition may continue to aggravate if treatment is not taken in time.
Infants with hydronephrosis should go to the hospital in time to find out the cause of the hydronephrosis, for pathological hydronephrosis need to actively cooperate with the doctor’s treatment.