How to Check Cervix Position: Low vs. High Cervix

Check the position of your cervix to figure out which menstrual cup to use.

Image of a cervix shape made with flowers. The background of the image is yellow and pink.

Learning how to check your cervix position will help you determine which menstrual cup length and shape to choose, as well as whether or not you should trim the stem. It can also be helpful to determine when you are ovulating and the state of your reproductive health. Here are some detailed guidelines for locating your cervix.

Where is the cervix?

The cervix is the vaginal opening that leads to a women’s reproductive system, allowing sperm to travel through and fertilise eggs. Your cervix is positioned at the end of your vaginal canal (usually around 7.5 to 15cm inside the vagina). 

Imagine a long hallway with a door at the end – that’s what the cervix looks like. It attaches to the vaginal wall and is sometimes described as feeling like the tip of your nose. Where the vaginal canal is soft, the beginning of the cervix feels firm.

Note: If you currently have a yeast infection or any other form of vaginal infection, it is best not to check your cervix until this is all cleared up. Unusual vaginal discharge is usually a sign of infection. In addition, menstruation, sexual arousal, and early pregnancy may result in cervix changes too.

Step-by-step guidelines for checking your cervix position

1. First things first – wash your hands thoroughly.

Not much explanation is needed here. You will be inserting your fingers into your vaginal canal, so wash your hands to reduce any chances of introducing infection. Do not apply any moisturisers to your hands before feeling your cervix. You may also want to consider trimming your nails if they are long in order to avoid potential scratches – ouch! 

2. Find a comfortable position.

Some of the best positions for checking your cervix are either squatting, sitting on the toilet, or raising one leg and resting it on the toilet seat, edge of the bathtub, or a chair. Whichever position you get into when inserting a tampon or menstrual cup is probably your best option.

3. Gently insert your index finger into your vagina. 

Use an inwards and upwards motion and move your finger in as far as it will go. You will know when you are touching your cervix, as your finger will not be able to reach any further. You will also feel the firm doughnut shape of your cervix. If you are ovulating, your cervix will most likely be located higher. It will then be located lower once you have finished ovulating. 

To get an idea of whether you have a low or high cervix (for the purpose of choosing a menstrual cup), you may want to check your cervix a few times throughout your cycle (at roughly the same time of day), to determine an average position. When deciding on your cervix height for a menstrual cup, base it on your non-ovulating position. Do not check your cervix before, during, or after sexual intercourse.

4. Use the knuckle rule to measure cervix height.

If you are touching your cervix by your first knuckle, then consider your cervix low. In this instance, you may find that the stem of the cup could protrude a little in which case you could trim the end of your cup to make it more comfortable. However, do not do this until you are confident in removing your cup as your cervix may move higher up during your cycle.

If you are touching your cervix by the second knuckle, then consider it an average height. You should be able to comfortably wear your menstrual cup throughout the day.

If you are touching your cervix up to or beyond your third knuckle, then consider yourself to have a high cervix. Try to position your menstrual cup lower in your vaginal canal and try a longer cup. It may travel up the canal a little, however, this just makes it a little trickier to remove. With practice, it shouldn’t cause you any long-term grief or difficulties.

Why should you check your cervix position?

Checking your cervix position allows you to ensure the cup fits and helps prevent buying brands that don’t work for you. It also makes you aware of what your cervix normally feels like so you can identify concerning cervical changes such as polyps, cysts and scars. Furthermore, it can help you monitor the different phases of your menstrual cycle. It’s advisable to consult a gynaecologist or healthcare professional even if you notice seemingly subtle changes in your cervix.

Choose the ideal menstrual cup for your cervix position:

Frequently asked questions:

Learn more about finding your cervical position in the FAQs below.

You can tell if your cervix is high or low by inserting one or two fingers into the vagina to try and feel for the cervix. If you can touch your cervix by your first knuckle, you have a low cervix. Alternatively, if you only reach your cervix after your second knuckle it means you have an average to high cervix.

Your cervix might be low due to menstruation, pregnancy or childbirth. In addition, the pelvic muscles often become weaker with age, causing the cervix to become lower over time. Women experiencing menopause also typically have a lower cervix due to having less oestrogen.

You can tell if your cervix is high or low by inserting one or two fingers into the vagina and feeling for the cervix. If you can reach the cervix by your first knuckle, your cervix is low. If you can reach it by or beyond the second knuckle of your finger, your cervix is average height or high.

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