Subjects will stay overnight in the domiciliary unit, and vaginal pH and Amsel criteria will be measured again by research staff at 24 (+/- 2) hours post-treatment before discharge on Day 1. The subjects will be discharged with the appropriate pH testing supplies and diary. All women must agree to abstain from sexual intercourse, douching and use of any intravaginally applied products or devices until after their final study visit on Day 7.