Can I fix an Irregular period that has bad cramps?

My period is always somewhat irregular. One month my cycle will be 29 or 30 days long, the next it will be next to 40 days long. Also, as I grow older my cramps and emotions just seem to be getting worse and worse. Its almost like my whole body just goes numb, but the pain centers around my pelvis area. I also can barely eat without feeling like I am going to barf when my cramps get like this. And when it comes to emotions, they are everywhere. I will randomly start crying for no reason, I can be happy as ever one second, then a bitch the next. Is there anyways to fix this? To make my period more normal, my emotions more controllable, and help with cramps.
Can I fix an Irregular period that has bad cramps?
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