Contraction pain normally comes from the back, belly & vagina. Pain last every few mins so time the intervals and pain will not go away no matter what you do.
BH feels like tightness in your belly but is not painful just uncomfortable and normally comes and goes so try to switch your position or you could also be dehydrated, drink water to see if the BH goes away.
You may want to call kkh now to tell them what you're feeling. They will advice you what to do.