Anyone have an ultrasound between5-6weeks?

I got scheduled for my ultrasound and I think I will be like 5 weeks 4 days. When I called to schedule I asked if I needed to be a certain number of weeks and they said no. I think she might have been new. Anyways now I’m googling And getting nervous. Has anyone had an ultrasound with they were 5 weeks but not yet 6 weeks? What can I expect? Thank you!