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How To Measure Your Cervix Height


measure cervix height guide

First things first - What is the cervix?

The cervix is the narrow, lower part of the uterus. It connects the vagina with the rest of the uterus. The cervix is typically 2-3 cm in length and is cylindrical in shape, with a small hole in the middle.

During pregnancy, your cervix will change shape by flattening and dilating, and the feel of your cervix will vary throughout your menstrual cycle. For instance, your cervix will feel firmer when you are least fertile; by contrast, your cervix will feel softer when you are most fertile.

If you are interested in seeing some photographs of different cervixes, have a look at http://beautifulcervix.com/ for more information.



Why Measure Your Cervix Height?

Well, there are a number of reasons why you should want to measure your cervix height.

Firstly, we think that every person should be comfortable with their anatomy. Why not have a root around and see what you find?

Secondly, measuring your cervix height allows you to get familiar with your menstrual cycle. You will be able to recognise the different stages of your menstrual cycle by monitoring the changes to your cervical fluid. In addition, it is useful to help spot any abnormalities. However, your own checks cannot and should not replace the check-ups done by your gynaecologist.

Thirdly, knowing your cervix height will help you to determine the correct size menstrual cup.

Though there are many brands of menstrual cup on the market, it is important to find one that works best for your anatomy. At Zero, we give the full dimensions of our cups, so that you can determine which Zero cup is best suited for you.


The Zero dimensions are as follows (in mm):

S model (20ml capacity) 42.5 width (diameter), 48.2 length, and 70.3 including the stem.

L model (25ml capacity) 45.5 width (diameter), 52.1 length, and 76.3 including the stem.

 

How To Measure Your Cervix Height

Without much further ado, here is a simple step-by-step guide on how to measure your cervix height:

  • Wash your hands with soap and water. And make sure to do so thoroughly!
  • Lift one leg up and place it on a raised surface. The side of the bath or the toilet seat lid will work wonderfully.
  • Part the labia with one hand. Using either your middle or index finger, slowly insert your finger inside of your vagina.
  • Take note of how far in your finger was inserted before reaching your cervix.

Your cervix will be at the “back” of your vagina towards your tailbone. It will feel completely different to your vaginal walls (smooth and firm as opposed to fleshy and soft).

Often described as feeling like the tip of your nose, your cervix will be firm and round.  

To work out whether your cervix is low, medium, or high, all you need to do is work out how far in you had to insert your finger before reaching your cervix.

 

Our photoguide will help you to work out the results:

guide measure cervix height menstrual cup

If upon inserting your finger you can feel your cervix at the first knuckle, then you have a low cervix. If you can reach the second knuckle, you have an average cervix height. Finally, if you insert your whole finger, or cannot reach your cervix at all, you have a high cervix.

If you are measuring your cervix height for the purpose of selecting which menstrual cup to get, then you should check the height of your cervix during menstruation. This is when your cervix is at its lowest, and you will want to identify which size Zero cup will be best suited for you.

If your cervix is on the lower side, remember that you can always trim the stem to a shorter length or remove it completely. The stem should never protrude from the vagina, and your Zero cup should be worn as low in the vagina as possible. 

If you have a low cervix, a small Zero Cup will be ideal, whereas if you have a high cervix, you may find a large Zero cup will have a better fit. If you have a cervix of average height then it is recommended to consider other factors when choosing a menstrual cup such as: age, pelvic floor tone, flow, or whether you’ve given birth.

Don't forget to buy your Zero Cup now for your most convenient period ever!

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