Should I go back to the hospital?

I turned 30 weeks Saturday & I went to labor & delivery because I didn’t feel my baby move for hours. The nurse asked me if I was having any cramping & I mentioned I was having light cramps. Anyway, the nurse hooked me up to the monitors & I heard baby’s heartbeat. The baby was doing fine. She mentioned that the machine picked up on me having light contractions. She asked the doctor on call if he wanted me to get sent home or get fluids & they decided to send me home. Every since I got home, I have been having these period like cramps on & off & I’ve also been having lower back pain. Today the cramps have been getting worse & so has the back pain. I also have fibroids & I’m at risk for preterm labor. Should I make another trip to the hospital bc of the pain getting worse?