Do menstrual cups leak?

The short answer: Yes, menstrual cups can leak—but only if something isn’t right with insertion, fit, or timing. When used correctly, they are just as reliable (and often more so) than pads or tampons.


✅ Common Reasons Menstrual Cups Leak

  1. Improper Insertion

    • If the cup doesn’t fully “pop open” inside, it won’t seal correctly.

    • Always rotate or run a finger around the base to check for folds.

  2. Wrong Size

    • Too small → won’t seal properly.

    • Too large → uncomfortable and may shift.

    • Choosing the right size based on age, childbirth, and cervix height matters.

  3. Placement Too High or Low

    • A cup should sit lower than a tampon, but not so low it slips.

  4. Overflow

    • On heavy flow days, the cup can fill before 8–12 hours.

    • Empty more often (every 4–6 hours) to avoid leaks.

  5. Strong Pelvic Floor Muscles

    • Sometimes, muscles can slightly squeeze or shift the cup, breaking the seal.


🌸 How to Prevent Leaks

  • Choose the right size and shape for your body.

  • Practice different folds until you find what works best.

  • Double-check the seal each time.

  • Track your flow and empty the cup before it overfills.


💡 Bottom Line

Menstrual cups shouldn’t leak when inserted and sealed correctly. If leaks happen, it’s usually a matter of size, position, or practice. With time, most users enjoy completely leak-free periods.

👉 Find high-quality, well-fitting cups here: NYXCollection Period Cups

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