I'm due June 1st, but have a feeling that Baby will go over.
My midwife described Braxton Hicks as feeling tight over the entire stomach, and when you press on your belly it'll feel hard, like you're pressing on your forehead or nose (whereas when you're not having a contraction your belly should feel more like your cheek, soft). I get them like 6 to 10 times a day, I get them more often when I have a full bladder or when I stand up from sitting.