guys I just need advice?

Ga
So I got the iud in December and I have been having two week long period. I hadn't had unprotected sex until march 8th my period started February 12th basically dragged on into march 9th basically when I stopped spotting. <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a> tells me I should be getting my period in ten days I have this side cramps on my lefts side is there anything to worry about ladies? Do you think I might be pregnant ?