Can Cervical Cysts Cause Bleeding?

Abnormal bleeding from the cervix or vagina prompts many people to seek medical information. The cervix, the lower, narrow part of the uterus, is a common site for various minor changes. A healthcare provider may notice a cervical cyst during a routine pelvic examination. This often leads to the question of whether the cyst could be the source of unusual bleeding. Understanding the indirect relationship between cervical cysts and spotting is important for accurate assessment.

What Exactly Are Cervical Cysts

A cyst is a closed sac-like pocket of tissue filled with air, fluid, or other material. The most common type found on the cervix is the Nabothian cyst, also called a mucinous retention cyst. These cysts are extremely common and are considered benign, meaning they are non-cancerous and typically harmless.

Nabothian cysts form when skin cells on the outer surface of the cervix grow over the mucus-producing glands of the endocervix. This overgrowth plugs the gland opening, trapping the mucus inside. As mucus continues to be produced and accumulates, it creates a small, smooth bump on the cervical surface.

The formation of these cysts is often a natural part of the healing process following physical changes, such as after childbirth or during chronic inflammation like cervicitis. They can range in size from a few millimeters to a few centimeters, but usually do not cause any symptoms. The term “cervical cyst” usually refers to this prevalent and benign type.

How Cysts May Lead to Bleeding

Most Nabothian cysts are asymptomatic and do not cause noticeable issues, including bleeding. However, they can, in some cases, be associated with minor, irregular spotting. This is not because the cyst itself is actively bleeding, but because of its physical presence on the surface of the cervix.

The mechanism for bleeding is generally mechanical, involving irritation or friction. The wall of the cyst is a thin layer of tissue that can be fragile, especially if the cyst is large or located in a vulnerable position. Physical trauma, such as during sexual intercourse or a pelvic examination, can cause the cyst to rupture or simply irritate the surrounding tissue.

When a cyst ruptures, it releases the accumulated mucus. This event can sometimes be accompanied by a small amount of blood, which may be noticed as spotting or discharge. This type of bleeding is typically minimal and transient.

Other Reasons for Abnormal Cervical Bleeding

While a cervical cyst can occasionally cause minor bleeding, unexplained vaginal bleeding requires medical evaluation because numerous other conditions can be the actual source. Bleeding that is not related to a normal menstrual period is considered abnormal and can originate from the cervix, uterus, or vagina.

One common cause is cervical polyps, which are non-cancerous, finger-like growths protruding from the cervical canal. Polyps have a rich blood supply and are prone to bleeding, especially after irritation. Inflammation or infection of the cervix, known as cervicitis, can also make the tissue fragile and lead to bleeding, particularly after sex.

Hormonal fluctuations often cause irregular bleeding, especially in people approaching menopause or those using hormonal contraceptives. Conditions affecting the uterus, such as uterine fibroids or endometrial polyps, are also frequent causes of abnormal bleeding. More serious causes, including precancerous changes or cancer of the cervix or uterus, must be ruled out, which is why seeking professional medical advice is always the appropriate step.

Diagnosis and Management Options

The first step in addressing abnormal bleeding is a pelvic examination, where a healthcare provider can visually inspect the cervix and often identify a cervical cyst. If the cyst has an unusual appearance or if the bleeding source is unclear, further diagnostic tools may be utilized.

A colposcopy, which involves using a magnifying device, may be performed to confirm the benign nature of the cyst and to rule out other possible causes of bleeding. Imaging techniques like transvaginal ultrasound can also help determine the size and characteristics of the cyst. A biopsy, taking a small tissue sample, is sometimes necessary to distinguish the cyst from other cervical abnormalities.

Management of Nabothian cysts is straightforward because they are benign and usually asymptomatic. Most small cysts require no treatment and are simply monitored. If a cyst is unusually large, is causing persistent symptoms like pain, or is significantly obscuring the cervix during a Pap smear, intervention may be considered. This intervention is typically a simple procedure such as drainage or removal using techniques like electrocautery or cryotherapy.