I had an Early scan....

Rachel
I had an early scan last week to try figure out how far gone I was, she asked me how far gone I was and I said according to this app im using Id be 5w5d and she said "hmm not even that far along Id say about 4 weeks Nd then she took measurements and it was measuring at 5w5d but I would of ovulated about 3w5d does the sconagrapher add 2 weeks on? How does it work?