I've had it happen 4 different nights within the last week. My abdomen gets so tight and I have really intense cramps that get more intense and nothing helps them. (Water, position, bath etc.) my lower back was killing me and progressively got worse and the pressure in my butt was so bad I could hardly sit. I was finally going to head into L&D but I was home alone with my older son waiting for someone to get there and I got him to sleep. The pain began to ease up around midnight and began around 8 pm. My lower back still hurts and I still have some pressure but it's not as bad. Calling my doctor when they open to see what's going on but until they open I wanted to post here. I'm 32+3.