A 26-year-old cisgender woman presents with a 10-day history of malodorous vaginal discharge. She denies fevers, chills, pruritus, dysuria, pain during sex, or pelvic pain. She is 24 weeks pregnant and has had an uncomplicated pregnancy to date. She is diagnosed with bacterial vaginosis. Which one of the following is a recommended treatment for symptomatic bacterial vaginosis in a pregnant person? Tinidazole 1 g orally once daily for 5 days Tinidazole 2 g orally once daily for 2 days Metronidazole gel 0.75%, one full applicator (5 g) intravaginally, once a day for 5 days Doxycycline 100 mg orally twice a day for 7 days.