Mucus Plug

Pregnancy Resources

The mucus plug is an accumulation of secretions that form within the cervical canal (opening to the uterus). This mucus accumulates early in pregnancy and serves as a protective barrier against infection. As you near the late part of your pregnancy, your cervix will begin to thin out and dilate. As it changes, you may lose your mucus plug and have a gooey, mucus-like discharge. It is not uncommon for this mucus to be mixed with brown, pink, or red streaks of blood.

Some women may lose the plug at around 36 weeks but many women are not even aware when they pass it. Loss of the mucus plug indicates that labor is approaching within the next few weeks, but has no other real significance. You may continue normal activity after losing your mucus plug (exercise, intercourse, bathing, etc.). If you happen to notice any consistent, watery discharge (like wetting your underpants), please go to labor and delivery for evaluation of possible rupture of membranes.

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