A menstrual cup is a small, flexible cup that is folded and inserted into the vagina, where it opens and creates a seal with the vaginal walls. Rather than absorbing menstrual flow like tampons, which are thrown away, it is reusable and collects menstrual flow. It is then removed, washed out and reinserted.
A disc is a similar concept but has a flat-fit design - it is usually wider and shallower and tucks up under the pubic bone at the front to hold it in place.
This comparison chart compares different menstrual cup and disc dimensions, capacities, hardnesses and design features such as stem types.
The recommendations in this chart are based on the manufacturer's guidelines and may not suit everybody's anatomy. Some manufacturers recommend selecting a cup or disc based on your flow; however, we recommend finding the right size for your vaginal canal width and cervical position and the right harness/softness cup for your body first, then consider the capacity of a cup based on your flow. Selecting the correct size and harness first will ensure the cup or disc is comfortable in your body and doesn't leak, but it may mean you have to empty it more frequently if you have a heavy flow.
Not sure if you want a menstrual cup or disc? See our Cups vs. Discs: A Buyer's Guide on How to Choose. It covers all the pros and cons of each.
Still not sure which menstrual cup to choose? Check our other Buyer Guides.
Should you choose a Soft or Firm Cup
Menstrual Cups for a Low Cervix
Menstrual Cups for a High Cervix
Menstrual Cups for Heavy Periods
Menstrual Cups for Teens
COMPARISON CHART TIP
Use the arrows in each column heading to sort the information into ascending or descending order based on the criteria such as diameter, length, capacity or harness.
Menstrual Discs Comparison Chart
Menstrual Cups Comparison Chart
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