Normally, cervical glands produce a clear mucus secretion that drains downward, mixing with bacteria, discarded cells and Bartholin's gland secretions. Disease may be indicated if vaginal discharge is abnormal in color, odor, or consistency, or significantly increased or decreased in amount.
Review Date 9/28/2017
Updated by: John D. Jacobson, MD, Professor of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda Center for Fertility, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.