my son is 2months old..he had congenital hydronephrosis..in tiffa it was only right kidney with 9mm swelling.. doctor advised to take scan now it was bilateral hydronephrosis with left kidney 6mm and right kidney 10mm..doctor said to wait for a month and to have a scan again..he is passing urine 12 to 16 times a day..sr.creatinine was 0.4mg%..what to do we are getting worried..should we consult another doctor..is that wait..what are the future problems with that..how is it diagonised..is anything serious about the increase of swelling