The Cervix

The Cervix

The cervix (also known as the cervical canal or cervical opening) is the lowest part of the uterus and connects it to the vagina.

This small yet extremely important structure functions as a gate—controlling the passage between the inner and outer reproductive organs. Although often overlooked, the cervix plays a vital role in fertility, menstrual health, and pregnancy.

More Than Just a Passageway

The cervix produces cervical mucus, which changes in consistency throughout the menstrual cycle. During ovulation, the mucus becomes thinner and more elastic, allowing sperm to pass more easily. On infertile days, the mucus thickens and forms a natural barrier against pathogens.

During pregnancy, a mucus plug forms in the cervix—a thick, protective mass created early on to block harmful bacteria and shield the uterus. Its premature release is often one of the first signs of complications in pregnancy.

A narrow canal runs through the cervix. The inner lining, called the endocervix, does not shed during menstruation like the uterine lining does. Instead, it features longitudinal folds that close tightly, creating a protective seal that keeps bacteria and debris out of the uterus, fallopian tubes, and abdominal cavity.

During menstruation, the cervix slightly opens to allow blood to flow out. However, this opening works in one direction only—there is no risk of blood from a menstrual cup flowing back into the uterus, even while sleeping or doing a handstand.

How to Locate the Cervix

The cervix is typically located about 7.5 to 12 cm inside the vagina. It feels like a small, rounded ring with a dimple in the center. In women who have given birth vaginally, the dimple may feel more like a line.

The position of the cervix changes with your cycle:

• During ovulation – higher, softer, and slightly open
• During menstruation or infertile days – lower and firmer

Tips for Finding It

• Wash your hands thoroughly (avoid lotions or products not meant for intimate areas)
• Get into a comfortable position – sitting on the edge of the bed or squatting works best
• Insert your longest finger (usually the middle or index finger) and gently explore until you feel a firm, round bump with a small opening

Many women compare it to the feel of the tip of the nose—soft, yet firm.

Knowing your cervix isn’t just helpful—it strengthens your connection with your own body.

Why It Matters

Understanding your cervix can help with:

• Tracking ovulation – useful for both achieving or avoiding pregnancy
• Early pregnancy signs
• Recognizing risks – like cervical shortening or loss of the mucus plug
• Choosing the right menstrual cup – the length and firmness of your LUNACUP should match your cervical height

Regular gynecological check-ups are essential. Pap smears can detect changes in cervical cells that may lead to cervical cancer—the second most common cancer in women.

If you notice:

• Unusual changes in the cervix
• Blood-tinged discharge
• Bleeding after intercourse
• Pain in the lower abdomen

Don’t ignore the signs—consult your gynecologist as soon as possible.

How Cervical Position Affects Menstrual Product Choice

Your cervical height affects which menstrual product suits you best. If your cervix is low, a standard menstrual cup may feel uncomfortable—opt for a shorter, softer cup. If it's high, you'll need a deeper, more stable one.

That’s why LUNAcare offers carefully designed solutions for every body:

• LUNACUP – Medical-grade silicone menstrual cup available in various sizes. Perfectly tailored to high or low cervix, for beginners or experienced users.
• LUNA+ – Menstrual underwear offering security and comfort without wetness. Ideal for spotting, light flow, or as a backup.
• LUNA Swimwear – Made for swimming during your period. Discreet, stylish, and protective—even in water.

Knowing your cervix isn’t just for doctors—it's empowering for every woman.
Understand your body, listen to its signals, and choose products that truly fit your needs.
With LUNAcare, your comfort, safety, and health always come first.