4 months pregnant and suddenly started getting rashes around my abdomen. Should I be worried?

Doesn't look too worrying. U can take a look at the clothes that u are wearing now. Sometimes skin gets more sensitive and the fiber's tightness or edges could just be getting our skin to act up a little - so it's ok I guess. U can try to moisturizer it more :) but that said...itching is sometimes the prelude to stretch marks - so be quick to slap on the moisturizers