Measuring big

I know ultrasound measurements can be way off, but at 33 weeks the us tech said baby was measuring at 36 weeks. Now I'm 36 weeks and had an appt with my doctor yesterday. I asked if they do anything if the baby is measuring very large. She said no, and that if i go beyond my due date they'll probably have to do a c-section. I feel like it would make more sense to look again to see if she still seems big and get induced at some point instead of possibly having a c section? I've already had labor stopped twice and had a steroid shot to develop her lungs so they said baby is ready to be delivered. Anyone have any experience with this?