Baby measuring big

Olivia • 3 girls 3 angel babies.

Anyone elses baby measuring pretty big? At 28 weeks 4 days baby boy was estimated at 3lbs 8oz. My 3 girls were 5lbs 11oz at 37 weeks, 7lbs 1oz at 41 weeks, and 7lbs 1oz at 39 weeks. So just a little shocked by this. Taking my GD test Friday. Specialist said if I pass he's just going to be a big boy.