Is this normal?? Please help ❤️❤️

Nada

The first day of my last period was December 3 which means I should be 12 weeks but I did an ultrasound today and it says I’m only 6 weeks

The doctor said it might be because I ovulated late. So I don’t know if this is normal or I’m going to miscarriage 🤷🏻‍♀️💔