PREGNANCY ANXIETY

A
I am 4W6D pregnant and I'm having tons of anxiety about having to wait until 8 weeks for my prenatal visit and first ultrasound . When I called my Dr. to schedule it , they said that there was nothing to do until then .
I'm wondering if I should call back and ask to get confirmation blood work. Has anyone else had to just wait until 8 weeks or did you go in for blood work ? This is my first pregnancy and I'm just on edge!