I'm 31+2 and I've been having random contractions but just my belly gets hard and a little bit of pressure.. But I woke up to them more constant.. I remember with my son I had the same contractions the last month of my pregnancy and they were real contractions, I just didnt feel cramping or pain just hard belly and out of breath. But I feel like I'm over reacting since my OB said it was normal.. and I don't know if I should get checked.. Any advice?