I've been using a menstrual cup for about 1 1/2 and I love it! I HIGHLY suggest checking out this menstrual cup website: http://menstrual-cups.livejournal.com/
There are so many brands and it's important to find one that is comfortable for your body. I have the MeLuna in both medium and large. I thought a medium would be ok for me, but then on my heavy days it filled up SOOOO quickly. Apparently I have a heavier flow than most. Take into account how much you think you bleed each day. The large is sort of hard for me to insert because the medium fits the size of my vagina better, but I couldn't be running to the bathroom every hour to empty it.
Another thing I love about the cup is that you can put it in around the time you think you're going to get your period and leave it in. You don't even notice you're wearing it and then it guarantees you won't be in for a surprise and some ruined underwear.
When I need to empty it in public, I just don't rinse it. I empty it in the toilet and put it back in right away. Emptying it sounds a lot more messy and gross than it actually is. It takes a bit of practice to get it in easily, but once you have it down it won't be any trouble.
Let us know if you try one out and how you like it!
