So im 35 and a half weeks pregnant. On monday i was 3cm dialated and 50% effaced. Ive been having…

So im 35 and a half weeks pregnant. On monday i was 3cm dialated and 50% effaced. Ive been having alot of problems as far as having contractions the past 5 weeks. I tried to pee a little bit ago and i was in a ton of pain in my lower belly. My baby is moving alot and im not really having contractions that i know of (i cant feel the pain from them). Its starting to freak me out. Has this happened to anyone.?