Menstrual cups sit low in the vaginal canal and hold their place with gentle suction; menstrual discs sit higher, in the vaginal fornix, and do not rely on suction. Discs often hold more and can be worn during sex, while cups are usually easier to find and remove for beginners. Sizing depends on cervix height and flow. If you have an IUD, ask your clinician before using a cup.
Cups and discs are reusable or long-wear alternatives to pads and tampons. They sit differently and suit different bodies.
Side by side
| Menstrual cup | Menstrual disc | |
|---|---|---|
| Position | Lower in the vaginal canal | Higher, in the vaginal fornix |
| Holds in place by | Gentle suction | Tucking behind the pubic bone |
| Capacity | Varies by size | Often higher |
| Wear during sex | No | Many discs, yes |
| Removal | Pinch to release suction | Hook and pull level |
| Reusable | Usually | Reusable and disposable options |
Sizing
Brands size by cervix height, flow and sometimes age or childbirth history. If your cervix sits low, a shorter cup or a disc may fit better.
Getting started
- Practice insertion and removal at home.
- Expect a learning curve over two or three cycles.
- Wear a liner as backup at first.
Safety notes
Toxic shock syndrome is rare but possible with internal period products. Follow wear-time guidance and the warning leaflet.
Track your cycle with a privacy-focused app, and see menopause cooling products for later life stages. Browse cycle and period care.
Common questions
How long can I wear a cup or disc?
Many products state up to 12 hours. Follow the instructions for your product and empty sooner on heavy days.
Can I use a cup with an IUD?
Suction during removal has been linked to IUD displacement in some reports. Talk to your clinician, and break the seal fully before removal.
How do I find my cervix height?
With clean hands during your period, insert a finger and feel for the cervix. Brands provide guidance on low, medium and high cervix sizing.
How do I clean a reusable cup or disc?
Rinse and wash with mild, unscented soap during your period, and sanitize between cycles as the maker directs, often by boiling.