Chlamydia trachomatis is the most commonly reported Sexually Transmitted Infection (STI) among women in the United States. The treatment recommendation for chlamydial infections during pregnancy is:____. Select one: A. Azithromycin 1 gram orally once B. Doxycyline 100 mg orally for seven days. C. Miconazole intravaginal cream once at night time for seven nights. D. Acyclovir 400 mg orally three times a day for seven days.