12 week scan - no nasal bone

Hello all,

Last week, I had my 12 week blood tests, and later on within that week, I had my ultrasound.

My results for the bloods:

1:20,000 for all three Trisomy’s.

However, I was given feedback for my US the other day, and it was told to me that no nasal bone was detected and that I will be sent back for another US in a couple of weeks time.

Is it likely that even though the chances of DS are considerably low, that my baby may have it? I’m confused about everything!

Experiences welcome.