I'm not worried but I'm a little concerned. I'm 17 weeks and 5 days pregnant I have been good bit of…

I'm not worried but I'm a little concerned. I'm 17 weeks and 5 days pregnant I have been good bit of water this morning I got up to pee feels like little pressure and little pain hit front lower lower part of stomach and on left abdomen wonder what's causing this does sound normal ? sometimes it hits at my back to lower back