Now I am nervous

I am 40 and 4w1d. Had a 6w miscarriage and a chemical preg in 2015. Went to schedule my first prenatal visit and was told she would have to call back because the dr had specific intstructions for me but was busy so waiting for a call back now. I am assuming she is going to want to do blood work to make sure my levels are going up but has anyone else had their doc request this?