A 38-year-old woman, G5P4, at 10 weeks with a urine culture grew >100,000 CFU/mL of Escherichia coli. She is otherwise totally asymptomatic with no complaints. Which of the following is the best next step in management of this patient?
Amoxicillin-clavulanate Ciprofloxacin No additional treatment or workup indicated Trimethoprim-sulfamethoxazole