Confused...

J

If I’m 11 weeks 1 day today.

Is this the week I book & have my 12 week scan?

11 weeks 1 day but I’m IN week 12 right...? Due 9th Feb.

***UPDATE***

I have an appointment booked already.

My question is if I am classed as 12 weeks when I am 11 weeks and 1 day+.

I was told to book my appointment at 12 weeks for my 12 week scan & I did...but now I am wondering if I am actually classed as 11 or 12 weeks this week??