Possible planned c section fear

So i was diagnosed with gd at 28. At 30 weeks my belly was measuring 31. Now at my 32 weeks im measuring 36. I did not gain any weight these past 2 weeks. My belly just grew. Now im 4ft 7 inches and my first son was born at 36 weeks being 8lbs 11oz and 22in long, my second one was also born at 36 weeks at 7lbs 4oz 21in long. With my past babies being good sizes, and me NOT having gd, my ob has suggested a planned c section this time around. Nothing set in stone yet but hes leaning towards that option. Next appt if my stomach continues to be way ahead, we will get and ultrasound done to see babys size. Now i know all these things dont mean i will have a big baby but i know my body and trust my ob to the fullest. But i cant help to b scared for a csection. Im terrified. Ive been having nightmares about it. He said either way i might just go into labor on my own, given thats what happened the last 2 times. Yet im still paranoid. Can u guys give me some good csection experiences please 😭