You should try timing them. It could be labour itself, or call labour and delivery they can give you more of an idea of what to do next. If they become I think it's like 5 mins apart you should go in and get checked. You're considered full term so baby could come at anytime good luck!
Its possible to have an early pregnancy don't do anything that can cause it to get worse stay away from hot showers, and stress lots of rest should take place