Pregnant and pulled my back out... doctor?

So I'm 32+2 weeks pregnant and my baby shower was today. A 4-year-old little girl at the shower fell off a heavy, long bench and it fell on her face. My instinct kicked in. I flew off the couch I was sitting on, hit the floor and got her out from under the bench (she's ok, her face had some blue bruises but she was a trooper). In this event I evidently did some wrong movent because my back now hurts. I'm talking like, I can't hardly roll over and I can't sit up on my own. It's also getting worse. Baby is moving fine though and seems to be alright. Should I go to the doctor tomorrow if I'm in the same/worse state, or should I just tuff it out? Honestly I'm ok with suffering for a few days at home as long as my baby is ok, but if baby is in danger I'll go to the doctor.

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