I went to the gym this evening for the first time in quite a while. I was taking it easy on an elliptical and was about 20 minutes in when I had a sudden tearing sensation which felt like it was inside my uterus. It was just slightly right of midline and went from the top of my pubic bone almost to the top of my uterus. It was intense (made me stop the elliptical) for about 10 minutes and then slowly subsided. Now, about 2 hours later, it feels like a bruise inside my uterus in that same line that originally had the ripping sensation. I am not bleeding. It feels totally different from my usual RLP. Any thoughts?