Possible labor?

Hi ladies!
I am 34wks 5days and I have been having what I think are contractions all day. My stomach gets really tight and it feels like bad period cramps that also will be in my back. They have not been terribly consistent but have maintained all day. I have also had the urgency and pressure to go pee all day. My sons movements have slowed down today but haven't stopped. My doctors office is closed due to the holiday, should I go to hospital to just get checked out or should I wait until the contractions are unbearable?