d describe it as a tightening of your whole uterus, so the whole of
your stomach goes hard, from
your ribs to
your butt (first couple felt similar to a bowel movement as they began closer to my butt and cervix). For me felt a bit like a buzz, or pins and needles (like when your leg goes to sleep, not like you're getting stabbed or anything) with a tight squeezing pressure through my stomach area. It started off slow, built up and got tighter then tapered off at the end.