Normally, urine travels from the kidneys to the bladder via the
ureters. Vesicoureteral reflux (VUR) occurs when urine that dwells in
the bladder flows back into the ureters and often back into the
kidneys. Children with VUR may present before birth as prenatal
hydronephrosis (an abnormal widening of the ureter) or with a urinary
tract infection. Some may be diagnosed because of a family history,
even though they may be without symptoms. Others Read the rest of this entry »