What's wrong with me? Could I be pregnant or ?

The past few days I've been getting headaches, lower stomach cramps and just being moody. I have a irregular period sometimes and I haven't got on my period in over a month now. But last time I had sex I took a plan B right after and that was right after I got off my last period (about a month ago). I tried... show more The past few days I've been getting headaches, lower stomach cramps and just being moody. I have a irregular period sometimes and I haven't got on my period in over a month now. But last time I had sex I took a plan B right after and that was right after I got off my last period (about a month ago). I tried home remedy pregnancy test but I'm probably just over thinking this. Any thoughts on what may be wrong?
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