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Menstrual Cup Dangers
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Menstrual Cup Dangers

If you’ve got a vivid imagination or are prone to compulsive searches of the internet for any negative product reviews, you may have been put off by the idea of using period cups by some of the stories you’ve read. We’d like to set the record straight and, hopefully, put your mind at rest.

Frequently asked questions

Can I get a get an infection from a menstrual cup?

It’s extremely rare to pick up an infection from the cup itself. If anything, you’re more likely to introduce bacteria from your hands. That’s why it’s so important that you wash your hands thoroughly every time you insert or remove the cup and you sterilize the menstrual cup before using it. Read more about How to Clean Your Menstrual Cup. If you’re out and about, and you only have water and/or scented soap to clean your period cup, only use the water. You can use a menstrual cup cleaner, cup wipes or unscented soap and water when you get home.

Can I get Toxic Shock Syndrome (TSS) from a period cup?

TSS is a fairly rare bacterial infection that’s associated with (but not exclusive to) tampon use. In particular, tampons being left inside the vagina for long periods). Although there have only been two cases of TSS in connection with menstrual cup use, we recommend you limit the length of time you keep your cup inside you to 12 hours (even if your flow is very light). Even better, empty it 2-4 times a day. Read more about Toxic Shock Syndrome.

Is it dangerous to sleep with my menstrual cup in?

Not at all. One of the great things about period cups is that you can sleep soundly without having to wake up to change your pad or tampon.

Is it OK to use a menstrual cup with an IUD?

Yes, absolutely. Although there are some things you need to be aware of. Check out our article ‘Using a Menstrual Cup with an IUD’ for more information.

What if I want a poo when I’ve got the cup inside me?

Simple. You have a poo, just as you would without the cup. Just remember to wash your hands before and after you go to the toilet, in case you need to check the cup is still sitting correctly.

Do I have to avoid swimming?

No. On the contrary. Menstrual cups are ideal for swimming as everything’s inside and you don’t have to worry about any strings making an unwelcome appearance.

21 comments on Menstrual Cup Dangers

  • Lunette Cup
    Lunette CupNovember 18, 2022

    Hi Katyayani!

    Most users are anatomically capable of using either size Lunette, but one may be a more comfortable fit over the other. We believe that the most important factor when choosing the size is the amount of flow. Size 1 is smaller and softer. It is best for light flow and good cup for beginners. Size 2 is made of firmer silicone than size 1. It is suitable for heavy flow because it is bigger and holds more liquid than size 1.

    Have you checked your cervix? If you can barely reach it or can’t reach it at all your cervix is high. If you’re able to reach it easily, it is low. With a high cervix you can use both sizes but with a lower one I’d recommend purchasing size 1 since it is shorter than size 2.

    Menstrual flow varies during periods and on a heavier day you will need to empty the cup more often than on lighter days, no matter which size it is.

    There are many factors that can affect the cup size, but the flow is the most important. Other factors can be age, location of the cervix and sensitive bladder – these can also be key issues when choosing the size.

    For washing your hands you can use regular soap. Just make sure to thoroughly rinse your hands so that no foam is left on your hand and fingers.

    We however do not advise using regular soap (or shower gel, detergent, etc.) for your menstrual cup. These products are not good for many reasons: their pH is normally not optimal, they can contain oils which is super bad for the cup and they can leave some remains and residues on the cup, which can irritate the vagina and/or cause damage to the menstrual cup. Perfumed soaps with unknown pH values might coat the cup with a layer of irritants that could damage the precious mucous membrane of the vagina. Some of these soaps may also contain agents that might damage the silicone.

    Best regards, Team Lunette

  • katyayani
    katyayaniNovember 18, 2022

    hi im 37 yrs i have two c-section for the first 3days i wil have heavy flow which type cup should i use and im a working women if i dnt have unscented soap to wash my hands how should i wash hands n cup.

  • Lunette Menstrual Mentor
    Lunette Menstrual MentorMarch 11, 2021

    Hi Marta! Sorry to hear your Cup has been causing you discomfort! The larger size Model 2 Lunette Cup will not be doing damage to your vagina, but you might benefit from switching to the smaller Model 1 Cup. 😊 The Model 1 is made out of softer material and is a bit shorter. If you have a low cervix or bladder sensitivity the Model 1 is recommended. Please don’t hesitate to contact us at info@lunette.com so our Menstrual Mentors can offer more troubleshooting! 💙
    -Team Lunette

  • Marta
    MartaMarch 11, 2021

    Hi! I’ve been using lunette cup for almost 18months now but have just realised I was probably using the wrong size (that’s the reason why sometimes it felt quite uncomfortable and annoying). I’m 28 and never given birth but I haven’t been using your smaller size, infact I think I’ve been using cup B. Would have this created any problem in my cervix or vagina? I have to say, I haven’t been in any pain or anything, I only got diagnosed of polycystic ovaries over these 18 months but I wouldn’t say this was the reason?

    Thanks for your answer and time 😊

  • Lunette Menstrual Mentor
    Lunette Menstrual MentorMarch 04, 2021

    Hi Roosa! You can use our amazing Lunette Cupwipes to clean your hands and the Cup while at school in a public bathroom stall. :) Don’t hesitate to reach to us at info@lunette.com if you have any more questions, our Menstrual Mentors are happy to help!
    -Team Lunette

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