I had really bad cramps at 12 weeks with dd2 so bad that I couldn't stand up straight, i ended up at the hospital only to be told that mu uterus was contracting, apparently it's perfectly normal for it to do all the time!!! Wish someone would have told me that before I had rushed to the hospital LOL My way of thinking is if it's not accompanied by blood then it's probably just stretching, growing pains etc Could it be implantation??