question: Q:A 24-year-old woman presents to her gynecologist complaining of mild pelvic discomfort and a frothy, yellowish discharge from her vagina for the past 2 weeks. She also complains of pain during sexual intercourse and sometimes after urination. Her past medical history is noncontributory. She takes oral contraceptives and a multivitamin daily. She has had two male sexual partners in her lifetime and uses condoms inconsistently. Today, her vitals are normal. On pelvic exam, she has vulvovaginal erythema and a 'strawberry cervix' that is tender to motion, with minimal green-yellow malodorous discharge. A swab of the vaginal wall is analyzed for pH at bedside. Vaginal pH is 5.8. Which of the following is the most likely diagnosis for this patient?? 
  {'A': 'Vulvovaginal candidiasis', 'B': 'Atrophic vaginitis', 'C': 'Bacterial vaginosis', 'D': 'Chlamydia', 'E': 'Trichomoniasis'},