When it comes to your period it's a yucky matter, no matter what you use. One thing for sure that i'v noticed is when emptying the mooncup is doesn't smell as bad as tampons or pads do.
Tim Minchin - The Good Bookhttp://www.youtube.com/watch?v=kr1I3mBojc0
'If you just close your eyes and block your ears, to the acumulated knowlage of the last 2000 years,
then morally guess what your off the hook, and thank Christ you only have to read one book'