PURLs: An easy approach to obtaining clean-catch urine from infants.

A fussy 6-month-old infant is brought into the emergency department with a rectal temperature of 101.5 degrees F. She is consolable, breathing normally, and appears well hydrated. You find no clear etiology for her fever and suspect that a urinary tract infection may be the source of her illness. How do you proceed with obtaining a urine sample?