How long does it take for kidney stones to be mildly ponding to moderate ponding

The specific time from mild to moderate hydronephrosis due to kidney stones is unclear, but the approximate range is 2 weeks to 12 weeks or longer.

If the kidney stone is relatively large, it causes complete urinary tract obstruction, resulting in urine not being able to be discharged and remaining in the kidney, causing the amount of hydronephrosis to become larger and larger, and may develop from mild to moderate hydronephrosis within 2-3 weeks. If the kidney stone is relatively small, causing incomplete urinary tract obstruction, some urine can be discharged, and there is no secondary urinary inflammation and no advancement of hydronephrosis. It may take 12 weeks or more to develop to moderate hydronephrosis.