Question: A 26-year-old G1P0 at 12 weeks grows Escherichia coli with no antibiotic resistance on a screening urine specimen. She has no prior history of urinary tract infections and is currently asymptomatic. What is the best treatment for her? Need Assignment Help service? A. Oral ciprofloxacin for 3 days. B. Oral trimethoprim-sulfamethoxazole for 7 days. C. Only treat if she is symptomatic. D. Oral nitrofurantoin for 7 days.