Vesico-amniotic shunt: A device inserted into the fetal bladder to allow urine to drain into the amniotic cavity, helping to relieve pressure and improve outcomes in cases of urinary obstruction.

Ultrasound showing bladder-wall thickening in a 6-year-old female with recurrent urinary infections, vesicoureteral reflux, and daytime wetting. Normal bladder wall thickness should be less than 2 ...