So this month I just know something is up with my body. I haven't felt my normal self. About 2 weeks ago I had on and off cramping which is not normal for me. My AF isn't supposed to come till the 27th. It's always regular. Again this week I had some cramping and a head ache almost everyday. Then today I noticed I was spotting. And right now I feel extreme nauseous. Has anyone experienced this? Is there a chance I could be pregnant?