Ursula - posted on 04/23/2010 ( 7 moms have responded )
I am 19 weeks and I keep feeling my abdomen/uterus muscles tightening up, usually as I get up from sittling or staighten up after bending over. It's not really painful, just concerning to me. Kind of feels like it's about to be a painful cramp but never goes there. Anybody else?