At my 12 week 1 day appointment, my OB had to majorly squish my stomach to try to find my uterus, which she couldn't at all. (I'm not overweight at all..) She ended up having to use an ultrasound to find the hearbeat... Which she did. The lower back pain I have from where my uterus is jammed hurts terribly though. It's just frustrating. So... All of you who have found your LO's heartbeat, or can even feel your uterus at all, DO NOT take it for granted.