Ultrasound measurements?

Chloe • Elementary school teacher expecting a kiddo of our own. ♥️

Does everyone's ultrasound measure "right on" for how far along you are?

I had US when I was 6+5, but they said baby measured at 6+3. Said it was normal- but I'm curious if anyone else has had this?

I didn't track ovulation really well so my estimation is going off my LMP.