I had an ultrasound today, the mucus is receding, my stomach hurts, it…

I had an ultrasound today, the mucus is receding, my stomach hurts, it's dropped. I think it's best to have a doctor look at it and see what's going on. The result: placenta 40!! Mm, she diagnosed me with placental hyperplasia. The baby's parameters match the 32nd week. At that time, too, I had an ultrasound, and compared it, the belly was like 272, and it stayed ?? in general, I'm shocked, tomorrow I'll get a referral to the maternity ward. I don't know what to prepare for ??