Stomach hurts pooping 24/7

Im 34+4 days and lately my stomach been hurting not like cramps but like i have to poop every hour of the day it kinda feels tight in my stomach idk if its braxton hicks idk what they feel like its my second child but never had them with my first so idk whats going on is it normal , or starting part of labor and recently got nasua omg i thought i was over that in the first trimester im just waiting for my baby shower next week and bring this baby out