Bloody show is blood-tinged mucus that may come from the vagina as labor begins. When the cervix thins (effaces) and opens (dilates) during early labor, the mucus plug that has been in the cervix will loosen and pass out of the vagina, along with a small amount of blood.

Current as of: May 22, 2015

Author: Healthwise Staff

Medical Review: Kathleen Romito, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology