LOL They aren't uncomfortable at all. The cup is made of medical grade silicone, so it is soft, and pliable. MOST women have no problem with sizing. . .belive it or not no matter how big or small you are weight wise and heighth wise, most women have a very close in size vagina and cervix. Aren't you guys familiar with your own goodies? LOL Women who weigh 400lbs and women who barely weigh 100 can often wear the same size cup. Diaphrams are custom fitted b/c we are trying to prevent LEAKS INTO the cervix. . .they have to be tight. Cups do not. . .b/c they expand to the walls of the vagina, and even if there is leakage (which I've NEVER experienced with mine) it is minimal. But diaphrams, even a little leakeage can mean pregnancy.

They don't hurt. . .in fact you can't even feel the dang things. I had the problem with tampons that I could feel them for the first half hour or so. . .the Luna doesn't give me that problem at all, largely due to its construction.

Instead. . .which is a disposable cup is available on the market now at Walgreens, Walmart, Kroger, pretty much anywhere that sells tampons and pads. They run about $6 a box for 18. Not bad if you want to try. Because you can wear instead for 12 hours at a pop, they come out to be more economical than tampons.

If men had periods we as women would get paid leave from work every month for ours. Men are babies. . .cramps would be call for National Disaster Assistance.