Do whatever your most comfortable with hun

I would say if your first ultrasound matched up pretty well with the 2nd ultrasound you should be good to go dates wise. I had not had a period in months when I found out I was pregnant so of course I was considered 16 weeks until they did they ultrasound ( I was only 8 ) and when I had my 20 week scan they matched up perfectly. My 36 week ultrasound was right on with what the others measured as well. Either way I hope your baby comes soon whether it's on it's own or if s/he needs a little push. Maybe you could just ask for a membrane sweep instead of an induction and see if that gives you a last push.