Thanks guys. I feel a bit better after the shower, it seems to have settled. Still a bit achy and a bit of lower back pain, but not the real cramps I was getting before. Hopefully it will stay that way! Our Calmbirth instructor told us the other night that if you can ignore it, and it goes away it's not labour . Obviously our situation might be different, if I really think I'm in labour, I can't afford to ignore it! But if it's just prelabour then I don't want to get carried away

Yep, if it comes back and gets worse, or hangs around I will call my Ob