Scared, please give me some advice

So the area right about my pubic bone keeps getting hard, not like rock hard but it gets pretty firm right where my pubic bone starts and streatches about an inch and a half above it and all along to right about where my ovaries would be, it's happened a few times this week and I've noticed it happens on the days I have quite a few cramps (I'm not on my period or due for a while) and it's starting to scare me a little