Due date help

Bubsbee

Went in for a second ultrasound today at 9 weeks 5 days but the baby is measuring 10 weeks 4 days, which is in line with my LMP. I saw the nurse afterwards and she didnt change my due date to what the ultrasound tech moved it to- march 5. So now im confused? I dont see the dr for 4 weeks. Heres the image from today: