Diva cups

Ava

So it might just be me but i have problems inserting my diva cup, i do as the instructions say and everything. Today when i was trying to insert it i caused myself to start peeing blood, i think it might have something to deal with no lubrication or something. I have peed blood before not from the diva cup but instead it was because while i was having sex with my boyfriend i wasn't lubricated enough, and yeah i saw a doctor to make sure it wasn't a uti and it wasn't. So i was wondering, is anyone else having or had these kinds of problems before?