ok ladies...so im fixn to be 33 weeks....is there any signs what so ever that I should be aware of…

ok ladies...so im fixn to be 33 weeks....is there any signs what so ever that I should be aware of for preterm labor? I know im at the point now that if I were to have my son he would be okay....I dont want to till atleast 38-40 weeks but just curious if there r any signs to jusr be aware of...thanks!