I had this too, but mine was more like a stabbing pain OUCH!! But when bubs engages, there no room for them to do... well, pretty much anything then!!

Good luck girls.

And Simone, i was reading trish's post - you stand your ground girl!! and only your ob can change your dates... bubs growth goes up and down, but it all averages out in the end... You're strong (and you have trish behind you) fight for what you want!!