Need advice!

How far along would you ladies say this ultrasound is? My bestfriend hooked up with a girl December 1st and she’s saying this ultrasound is of his baby at 2 weeks, the ultrasound was taken on January 5th. Does that add up? Just trying to help a friend out because the girl won’t talk to him and is saying it’s his baby.

UPDATE

I know she’s not 2 weeks along, I think she thinks we’re stupid. I told her if she was “2weeks” there wouldn’t be a fetus at all yet. I’m just asking if they hooked up December first and she conceived then, is it possible for baby to be this big already?