What Menstrual Cup Size Do I Need? 13 FAQs (2024)

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Do all menstrual cup manufacturers offer a one-size-fits-all cup?

No. There are a few companies that do offer one size of cup, but it does not fit all. Because everyone is different, each person will have a different experience with any given cup. While some companies offer a small or a large size, there are other companies that may offer even more size options.

How do I choose the right menstrual cup size for me?

One of the best ways to narrow down which menstrual cup might work for you is to locate and measure your cervix. This will help you determine if you should try a small or a large size. If you’re in doubt, some companies offer a two-pack of cups for a discounted cost. This will allow you to try both sizes to see which one feels more comfortable, is easier to reach, or has the capacity you want. More info can be found on how to locate and measure your cervix here.

Does the size of the menstrual cup influence its holding capacity?

Yes. Menstrual cups vary in sizes, shapes, and diameters. All of these factors can affect how much liquid a cup can hold.

Does it matter which size I choose in a menstrual cup?

It will matter for some, but it may not for others. Locating and measuring your cervix will help determine if a size small would be more comfortable for you to wear, or if a size large will be easier for you to reach. The size and shape should also be taken into consideration for comfort, ease, and capacity.

If I have had no children and am 35, which size cup should I choose?

As a general guideline for someone with no knowledge of the height of their cervix, the large size is often recommended for those over the age of 30. However, it is best to locate and measure your cervix for a better idea about which size works best for you. If you’re in doubt, some companies offer a two-pack of cups, one of each size, for a discounted cost. This will allow you to try each size to determine which one is more comfortable to use and wear, or easier to reach for you.

If I am a virgin, what type and size of menstrual cup should I use?

People have different definitions of the word “virgin”. If you’re comfortable with the inserting process, and using a menstrual cup doesn’t go against your beliefs, religious or otherwise, then the smaller size would be recommended as a standard guideline. The small-sized menstrual cup may be more narrow and more comfortable to wear as well as to insert. However, you shouldlocate and measure your cervix to better determine which size works best for you. If you’re in doubt, some companies offer a two-pack of cups, one of each size, for a discounted cost. This will allow you to try each size to determine which one is more comfortable to use and wear, or easier to reach.

I have had 3 children by vagin*l birth and I am 25. Which menstrual cup size will work for me?

As a general guideline for someone with no knowledge of the height of their cervix, the size small is often recommended for those under 30 years of age. However, you should firstlocate and measure the cervix before choosing a size. If you’re in doubt, some companies offer a two-pack of cups, one of each size, for a discounted cost. This will allow you to try each size to determine which one is more comfortable to use and wear, or easier to reach.

Do different brand sizes vary even though they are the same size?

Yes. Each brand has a different design, which may include the shape, size, diameter, length, firmness, and color. Buying a small-sized cup from one brand may be very different in length and diameter to a small-sized cup from another brand.

I have a light flow and have no children, which cup size is best?

Most companies suggest a small-sized cup for those with a light flow. However, it may not always be the best choice for your situation. If you have a high cervix, you may opt for the larger size so that the cup is easier to reach for removal. Read more about cervical height here.

What is the best size for someone who has a heavy flow?

It’s enticing to choose the largest cup on the market for the capacity if you have a heavy flow. However, it may not always be the best choice for your situation. If the cup is too long or wide, it may not be comfortable for someone with a low cervix.Read more about cervical height here.

I have a high cervix, which menstrual cup sizes are best for me?

Someone with a high cervix might prefer large-sized cups, cups that are V-shaped, or cups with a bit more length. This will allowmake the cup easier reach when the time comes to remove and empty it.

I have a short cervix, which menstrual cup size should I choose?

If a brand offers more than one size, the smaller one would be more suitable for a low cervix. Pay attention to the length of the cup, as some sizes are the same length and only differ in the diameter. Some brands offer a cup specifically designed for a low cervix – these are normally labeled as low cervix, mini, or shorty.

I purchased a menstrual cup in a large size because I have had 2 children vagin*lly and am over 35. Why is it too big?

The sizing criteria that each menstrual cup brand designates to help consumers choose the right size is not always 100% fool-proof and is only a guideline. To better the chances of finding the correct size for your body, height to see which cup size might be more comfortable or easier to reach for you.

About
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Red Herring

Anakalia aka Red Herring got an early start in the medical field at 15 years old when she was hired by Kapiolani Hospital (Hawaii) to public speak about teen sex and the hardship of teen pregnancy & parenting.Testing out of high school early, she then went on to be valedictorian in college (medical studies).During and after college, she worked for the very OB-GYN who delivered her first child.In 1996, while searching for another product, Red Herring came across a menstrual disc.While she didn't use them consistently, it opened her eyes to alternative menstrual products for the future.

Red Herring has been sharing her experience and knowledge of menstrual cups on YouTube since 2015. She has worked on or with several menstrual cup companies but chooses not to be credited.

"I want to help people find the right menstrualcup for their situation.Not pressure them to buy a menstrual cup [that I might have helped with] for the sake of sales."

One-Size-Fits-All:

Myth Debunked: Not all menstrual cups are one-size-fits-all. Several companies offer different sizes, acknowledging individual anatomical differences affecting cup comfort and efficiency.

Size Selection:

Cervical Measurement: Identifying your cervix's position aids in selecting an appropriate cup size.
Options for Doubt: Some companies provide two-pack cups (small and large) for trial, facilitating the selection process based on comfort, accessibility, and capacity.

Influence of Size:

Capacity Variation: Cup sizes affect liquid capacity due to variations in shape, diameter, and design.

Age, Childbirth, and Virginity:

General Guidelines: Age and childbirth can influence size recommendations. However, individual measurements of the cervix provide more accurate size selection.
Virginity Consideration: While the smaller size is generally recommended for virgins, comfort and cervix measurement play crucial roles in determining the ideal fit.

Brand Variance:

Diverse Designs: Different brands offer cups with varying designs, including size, shape, diameter, firmness, and length.

Flow Intensity and Cervix Height:

Flow and Size: Flow intensity doesn't always dictate the size choice. Factors like cervix height can impact comfort and ease of use.
High Cervix: Larger, V-shaped, or longer cups might suit individuals with higher cervixes.
Low Cervix: Smaller or specifically designed cups for low cervixes accommodate better comfort.

Consumer Experiences:

Consumer Feedback: Real experiences like discomfort due to size misjudgment, discomfort, or cup protrusion highlight the importance of accurate size selection.

Expert Insight:

Expert Experience: Red Herring, with a medical background, emphasizes the significance of finding the right fit and educating users without promoting specific brands for sales.

The shared experiences from Sara, Gigi, Amy, and Priscilla depict common challenges faced by users due to improper size selection and brand-specific variations in comfort and fit. Understanding individual anatomy and preferences is pivotal when choosing a menstrual cup.

This domain's complexity emphasizes the need for tailored guidance, debunking myths, and providing comprehensive information for users to make informed decisions.