Weird period

Hello everyone I have a question.

I had gotten my period last Friday and put my diva cup in. I had severe cramps Saturday and Sunday and when I took out of diva cup I heard it empty into the toilet but there was no blood inside of it. It was like these chunks of light pink stuff. And now im not bleeding at all and I have some minimal cramping. I ordered some pregnancy tests just to make sure I'm not but haven't received them yet. Has this ever happened to anyone else?