Menstrual Disc Not Staying In Place

Date Created: 14th of April 2026
Read Time: 5 minutes

If your menstrual disc is not staying in place, it can feel frustrating and uncertain. You might notice it slipping, shifting, or not feeling secure during the day. This is a common issue, especially when you are still learning how to use a menstrual disc.

The good news is that it is usually easy to fix. In most cases, it comes down to positioning, size, or technique rather than the product itself.

Quick answer: why is my menstrual disc not staying in place?

A menstrual disc may not stay in place if it is not inserted correctly, not tucked behind the pubic bone, or if the size is not right for your body. When positioned properly, the disc should sit securely at the base of the cervix and stay in place throughout the day.

How a menstrual disc is supposed to sit

Understanding placement is key to solving this issue.

A menstrual disc sits higher in the body than a tampon. It rests in the vaginal fornix, just below the cervix, with the front rim tucked behind the pubic bone. This natural positioning is what keeps it secure.

If it is not tucked properly or not angled correctly, it can move out of position more easily.

If you are unsure about positioning, it helps to review how menstrual discs work and how they are designed to stay in place.

Common reasons your menstrual disc is not staying in place

1. It is not tucked behind the pubic bone

This is the most common reason. If the front rim is not tucked behind the pubic bone, the disc does not have anything to hold it in place.

Instead, it may sit lower and feel like it is slipping.

2. Incorrect insertion angle

The disc should be inserted back towards your tailbone, not straight up. If the angle is off, it may not reach the correct position.

This can make it feel unstable or uncomfortable.

3. The size is not right

If the disc is too small, it may not stay securely in place. If it is too large, it may feel like it is pushing or not sitting correctly.

Finding the right size can make a noticeable difference. You can use the menstrual disc size guide to help choose the best fit.

4. Not fully inserted

If the disc is not inserted far enough, it will not reach the correct position in the vaginal fornix.

This can make it feel like it is slipping or not staying in place.

5. Pelvic floor pressure or movement

Strong movement, certain exercises, or natural pelvic floor pressure can sometimes shift the disc slightly, especially if it is not positioned correctly to begin with.

How to fix it

1. Focus on the angle

When inserting the disc, aim it back towards your tailbone rather than upwards. This helps guide it into the correct position.

2. Push it further back

Make sure the disc is fully inserted so it reaches the vaginal fornix. It should not sit low or near the entrance.

3. Tuck the front rim securely

Once inserted, use your finger to tuck the front rim behind the pubic bone. This is what keeps it in place.

4. Check how it feels

When positioned correctly, you should not feel the disc. If you do, adjust it slightly until it feels comfortable and secure.

For a full walkthrough, follow this step-by-step guide to using a menstrual disc.

5. Try a different size if needed

If you have tried adjusting positioning and it still does not stay in place, size may be the issue. A better fit often solves the problem quickly.

How to tell if it is in the right position

You will know the disc is in the correct position when:

• you cannot feel it once inserted
• it stays in place when you move, sit, or walk
• there is no leaking
• it feels secure without pressure

Why many people choose my mimi

The my mimi menstrual disc is designed to make insertion easier and improve overall comfort and fit.

• two sizes available - Small 32ml and Large 61ml
• beginner friendly loop tab for easier removal
• self-emptying capability when positioned correctly
• TGA-compliant and FDA-registered materials
• cost-effective at around 83c per month over five years

my mimi is an Australian Owned Business, a trusted and established award-winning brand, used by thousands of customers across Australia and beyond. The brand also offers a complete range of complementary products and accessories to make menstrual disc use and care simple.

Frequently asked questions

Is it normal for a menstrual disc to move?

A small amount of movement can happen, but it should not feel like it is slipping out of place. If it does, positioning or size is usually the cause.

Can a menstrual disc fall out?

When inserted correctly and fitted properly, it is designed to stay in place. It should not fall out during normal daily activity.

Why does my menstrual disc feel like it is slipping?

This often means it is not tucked behind the pubic bone or not inserted far enough back.

Do I need a different size?

If you have adjusted positioning and it still does not stay in place, trying a different size can help improve fit and stability.

Where can I learn proper insertion?

You can follow the my mimi insertion guide for clear step-by-step instructions.

Conclusion

If your menstrual disc is not staying in place, it is usually a simple fix. Small adjustments to angle, positioning, or size can make a big difference. Once it is sitting correctly, it should feel secure, comfortable, and easy to trust.

With the right fit and technique, using a menstrual disc can become a reliable and low-maintenance part of your routine.

Health Notice: We share this information to support your wellbeing journey, but it’s not a substitute for professional medical advice. For personalised care, please consult a qualified health professional.