Decreased movement at 37 weeks?

🌙 Nira 🌙
I'm 37 weeks along and I have a planned c section next week but my baby seems to have stopped moving as much. He was a very active baby before but now his kicks are so far and in between that they gave me an ultrasound while I went to the hospital for one of my weekly NSTs to make sure he was okay. The tech said its because he's probably running out of room (and he is still breech) so that's probably why but she estimated his weight at only 6lbs 5oz. They've reassured me that he's fine but I'm a paranoid worry wart. Any one else have a similar situation?