Same, I linked him a paper on the error margin of these scans in another comment. The poor assumption here is the error margin at 18-19 weeks is the same at 36 weeks.
I said read the guidelines. Casually scanning the literature on pubmed shows babies that come out after IDK 39 weeks have sometimes not great outcomes, and it gets worse as time goes on.
You say "the baby will come out when they're ready", but what would you reply to "what if the baby wants to come out stillborn?"
When do you want forcible induction to be advised by the clinician? 39 weeks + 2-3 days for you to feel comfortable about the decision? Maybe a week if you're seeing a psychologist or like astrology?
I'm saying that you need to tell that to the doctors, who raised all manner of forcible induction on the mother at N+1 days.
Why is a week within margin, but the day after due date isn't?