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.
|Primary Medical Reviewer||Sarah Marshall, MD - Family Medicine|
|Specialist Medical Reviewer||Kirtly Jones, MD - Obstetrics and Gynecology|
|Last Revised||November 2, 2011|
WebMD Medical Reference from Healthwise