Random question for all you mom's and soon to be mom's about you pregnancies and if you are experiencing the same...

Im 22 weeks now with my first child, and I have been cramping up in my upper stomach area for unknown reasons, even causing me to loose my appetite some days...I mean I still get backed up and assume it has to do with that but should I be worried? It's not lower about pains or consistent but it's definitely not normal...I dont think.

Any advice and answers would be wonderful, pleas.