Diagnosing Antenatal Hydronephrosis

Antenatal hydronephrosis is usually diagnosed before birth by prenatal ultrasound. The condition may also be diagnosed during an evaluation for a urinary tract infection (UTI) during infancy.

Publication Review By: Stanley J. Swierzewski, III, M.D.

Published: 09 Jun 1998

Last Modified: 01 Sep 2015