Finding a cup or disc that fits, and feels, just right may require some experimentation; you should not be able to feel a cup inside you very much, and it definitely should not hurt. I wouldn’t say the collapsible feature is totally for show, having a small cup that fits in a discreet place can be useful. Perhaps the cup itself is generating suction, and when a user removes the cup, that suction pulls the IUD down and out.

Since most women while on their period don’t have a need to carry a cup (it is conveniently located in your vagina at all times except during washing) the compactness of a cup then matters very little.If you’re worried about IUD expulsion (or it has happened to you with a cup) but you still want to try a reusable menstrual product, you could use a disc instead—because of the way discs are positioned in the body, they don’t have the same issues with suction or the risk of pulling an IUD’s strings. is made of the smoothest medical-grade silicone to give you the most secure hold with easy insertion. And because MeLuna offers a firmer option (the MeLuna Sport), if you find that the Classic fits okay but doesn’t always pop open against your vaginal canal, you can switch to the Sport model without having to gamble on whether your new cup’s shape is right for you.

But most cups were easy to insert and remove, and once inserted, they opened up without much trouble.In theory, you take out the NuvaRing to get your period, so you would just replace the ring with the cup. An additional advantage of the menstrual cup over pads and tampons is that you need to carry only one with you, not a handful. Ball and loop designs are slightly bigger, too, and some people find that they can irritate the vaginal canal more than a skinny stem does. Again, you might consider wearing a liner or period underwear while wearing a menstrual cup for the first few cycles, as you get the hang of it. Unlike pads or tampons, which absorb your flow, a menstrual cup or disc, once inserted into your vagina, catches and contains menstrual fluid.