Does this look normal

I went to one of those ultrasound studios for a heartbeat check cause I was suppose to be 6 weeks but I measured much smaller, she said about 5 and a half. They also only do abdominal there. I have an appointment next Wednesday for a transvaginal. Am I okay....like the right size...im so nervous...my first pregnancy was a loss and I didn't get passed 4 weeks so I really don't know what to expect...

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