The most common cause of vaginal discharge in the US is not yeast. For Release: October 31, 2003  Contact: ACOG Office of Communications communications@acog.org Bacterial Vaginosis More Prevalent Than Previously Thought Washington, DC — Bacterial vaginosis (BV) appears to be more common than previous estimates indicated, including among women who are virgins, according to a … Continue reading Bacterial Vaginosis More Prevalent Than Previously Thought