text: <unk><unk>  is the most common cause of vaginal symptoms among women; it is not clear what role sexual activity plays in the development of BV. The prevalence of BV in the United States is estimated to be 21.2 million (29.2%) among women ages 14–49.
option_0: Bacterial vaginosis epidemiology and demographics
option_1: Dysmenorrhea epidemiology and demographics
option_2: Amenorrhea epidemiology and demographics
option_3: Chlamydia infection epidemiology and demographics
option_4: Trichomoniasis epidemiology and demographics
option_5: Trichinosis epidemiology and demographics
option_6: Gonorrhea epidemiology and demographics
option_7: Cervicitis epidemiology and demographics