VAGINA The vagina serves as the inferior region of the birth canal. It also serves as the passage way for the sloughed endometrium that results from menstruation and is the receptacle for Vaginal Lubricants What are the options? DG Laser & Cosmetic Gynecology Clinic Vulva Wikipedia Why you should use a vaginal moisturizer during your period A frontal cross section illustration of the vagina showing the action of a vaginal lubricant which lubricates the entrance to the vagina and hydrates SuperStock How to Tell if Vaginal Discharge Is Normal (with Pictures)