Fig. 2From: Postnatal management of children with antenatal hydronephrosisProtocol for follow-up imaging and antibiotic prophylaxis in infants with isolated unilateral hydronephrosis based on results of first postnatal ultrasound. ANH antenatal hydronephrosis, APRPD anteroposterior renal pelvic diameter, CAP continuous antibiotic prophylaxis, HN hydronephrosis, SFU Society for fetal urology, SRF split renal function, UPJ-O ureteropelvic junction obstruction, VCUG voiding cystourethrography, VUR vesicoureteric reflux. *Infants should be re-evaluated if they develop symptoms like urinary tract infection or painBack to article page