I've been really nauseous all morning with extremely bad cramps and back aches. My stomach is super…

I've been really nauseous all morning with extremely bad cramps and back aches. My stomach is super soft. The only hard part is where the baby is laying. Last night I could feel her moving down or "dropping" as some people say. I have tons of pressure in my hips. I'm only 35 weeks but could I be going into pre term labor ?