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* 1. What best describes the primary institution where you practice?

* 2. Are you a Fellowship-trained Pediatric Radiologist?

* 3. How many years have you been in practice since the end of your residency or fellowship?

* 4. Approximately how many neonatal or infant renal ultrasound studies do you personally interpret per month?

* 5. Approximately how many neonatal or infant voiding cystourethrograms (VCUGs) do you personally perform per month?

* 6. When you report on hydronephrosis diagnosed by ultrasound in a neonate, do you routinely describe the degree of collecting system dilatation using the Society for Fetal Urology grading system?

* 7. At your institution, is prenatally diagnosed hydronephrosis WITHOUT a history of urinary tract infection further evaluated with voiding cystourethrogram (VCUG)? (May select more than one answer)

* 8. At your institution, is prenatally diagnosed hydronephrosis WITH a history of urinary tract infection further evaluated with voiding cystourethrogram (VCUG)? (May select more than one answer)

* 9. Is it the clinical trend in your community to administer prophylactic antibiotics for a prenatal diagnosis of mild hydronephrosis?

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