A Guide to Understanding Natural Vaginal Lubrication O Positiv Cervical Mucus: What Is It & How to Check Cervical Mucus Always South Africa The main source of physiological secretion found in the vagina is: [AIIMS 98] a. Bartholin's glands b. Gartner's duct c. Vagina d. Cervix The correct answer is d. Cervix. Rationale The Vagina, Vulva, and Pelvic Floor: Anatomy Concise Medical Knowledge Normal vaginal discharge characteristics and warning signs The Bartholin's gland is located at the entrance to the vagina, and it secretes mucus, providing vulval and vaginal lubrication. A Bartholin's cyst occurs when the gland becomes blocked, and this can