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.
Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
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