Talk to Gynecologist on My Newborn Baby Diagnosed Hydronephrosis

My newborn baby was diagnosed with Hydronephrosis, Renal scan(DMSA) was performed at Nescom hospital, Results indicated, Relative /Split renal function Left kidney-67.71% and Right-32.29%. Same test repeated after six weeks and results are Relative /Split renal function Left kidney-64.44% and Right-35.56%.

i want pediatric Urologist opinion for further proceedings