What are these cramps?

I had a normal period two weeks ago. Since it finished ive had period pains lke its going to start and also stabbing pains. This has been for two weeks. How long does ovulaion last for? Am I ovulating or am I pregnant? Which is more likley? I know people cant answer this for sure. I am going to my doctor tomorrow. I am just excited hoping I am pregnant. Anybody else had this? Thanks.