Does a menstrual cup leak?

Understanding Why It Might Happen and How to Prevent It

One of the biggest questions people have before switching to a menstrual cup is:
👉 “Does it leak?”

The short answer is: No, a properly inserted menstrual cup should not leak.
But if it does, there are a few common reasons — and easy fixes.

✅ Why Menstrual Cups Usually Don’t Leak

Menstrual cups are designed to create a seal against the vaginal walls, collecting rather than absorbing blood. When inserted correctly, they form a secure barrier that prevents leaks — even while exercising, sleeping, or swimming.

🚨 Common Reasons for Leaks (and Solutions)

1. Improper Insertion

If the cup doesn’t fully open inside, it won’t form a seal.

  • Fix: After inserting, rotate the cup or gently wiggle it to make sure it opens fully. You can also run a clean finger around the base to check the seal.

2. Wrong Size or Shape

Menstrual cups come in different sizes based on age, flow, and whether you’ve given birth.

  • Fix: If you’re leaking consistently, you may need a different size or firmness.

3. Cup Is Too Full

Each cup has a limited capacity. Once it’s full, it may overflow.

  • Fix: Empty it more frequently, especially on heavy flow days (every 4–8 hours instead of 12).

4. Placement Too High or Too Low

If the cup sits too close to the cervix or too far away, it may not work correctly.

  • Fix: Reinsert the cup and aim for it to sit low in the vaginal canal, just below the cervix.

5. Pelvic Floor Strength

A very strong or very weak pelvic floor can sometimes shift the cup.

  • Fix: Try cups with different firmness or consider pelvic floor exercises (like Kegels) for better support.

💡 Tips to Prevent Leaks

  • Always wash your hands before inserting or removing the cup.

  • Make sure the rim is fully opened after insertion.

  • Consider doing a “squat and twist” to help position the cup.

  • Empty and rinse regularly, especially on heavier days.

💬 Real User Review

“I was nervous about leaks, but once I got the hang of inserting it right, I went leak-free for 12 hours — even overnight!”
— Sophie M., NYX Collection Cup User

🛍 Recommended Product

✨ Final Thoughts

Yes, menstrual cups can leak — but usually only if something’s off with insertion, size, or placement.
With a bit of practice and the right cup, leak-free periods are absolutely possible — and even life-changing.

Still curious?
Check out our full guide: How to Use a Menstrual Cup Without Leaks
Or explore more eco-friendly, body-safe products at NYXCollection.com.

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