I'm not sure if you still needed reassurance or not with the date on this post, but as for your question about travelling back home now, I would not. It is not considered safe to do travelling I believe past 30/32 weeks. More than likely you could expect to get your steroid shots, and still not go into labor. They've given me two separate rounds of it now, one double shot 24 hours apart when I was 26 weeks, and another when I was almost 30 weeks. There's a chance you could still go into labor though, the steroid shot is nothing but merely an additive to mature the lungs of a premature baby who could be born to where they may require help with breathing and they just want to do all they can for your baby. You could have been having more of the labor-like contractions vs Braxton hicks contractions which is why you felt the low back pain and cramping. Hopefully you're doing well, along with your little one! Congrats!