Due dates?

Has any other mommas got the same problem as me?

I have been told I have TWO due dates. One is the 13th February 2021 which is when they worked it out from the first day of my last period and then they told me 2nd March 2021 which is when they worked it out from my dating scan. Which one is more reliable? Should I be prepared for the feb due date or the March one?

Btw they also told me she’s measuring a week bigger.

Ftm and Im so confused i just want to Cry 😩