Question

Anna
I'm 21 weeks and 1 day,, I'm kinda concerned because not to long ago I went to urinate and when I did I had what it had felt like was Braxton hick but the some kind of pain was like into my right side and kindly out my right side back, it hurt but wasn't to bad it sure was different... it's gone away now and haven't felt it anymore so far can someone help me out tell me what it might be