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Nabothian cysts are small lumps that can develop in your cervix when skin cells block your glands from releasing mucus. This blockage causes the mucus to swell inside the gland, creating a cyst. 

Nabothian cysts can happen to anyone with a cervix. They’re also common after having a baby, experiencing an injury to your cervical area, or if your cervix is inflamed or infected. They’re more likely to develop during these kinds of events since there is more cell growth and mucus happening on or around the cervix.

You’ll only know if you have nabothian cysts if your nurse or doctor finds them during a pelvic exam. They’re very common, don't usually cause any problems, and don't require treatment. The symptoms of a nabothian cyst are mild and rarely cause discomfort. Some people experience light pressure or a feeling of fullness in their vagina. You may also feel pain before, during, or after sex. If a cyst bursts, it may release mucus and small amounts of blood that will look like vaginal discharge and have a slight smell. These symptoms don’t usually last long, but talk to your nurse or doctor  — like the staff at your nearest Planned Parenthood — if they don’t go away or cause you discomfort.