A 3-year-old girl with a recent history of yellow-green vaginal discharge.

A3-year-old previously well girl presented with her mother with a 3to 4-day history of yellow-green vaginal discharge. Her mother noted the discharge was present on the child’s underwear. The mother reported that the child has had some intermittent vaginal itching as well, but no complaints of pain. There has been no bloody vaginal discharge. The child has been potty trained for approximately 9 months, and she has not had any recent urinary or stool accidents. She has no nocturnal enuresis. She has been afebrile and otherwise has been acting well. She does take bubble baths frequently. The mother denied any behavioral changes, tantrums, or developmental problems. The mother had recently