Infertility specialist. What to expect

Brooklyn • Mommy to an angel babyboy ,4 other Angels, and My rainbow baby Matthew Landon Whatley born august 20th. Zane Liam Whatley due December 21st
So my husband and i have been trying to have a baby for 2 and a half yrs. And have had 3 miscarriages and a stillbirth. Since no one will give us answer, my ob referred us to an infertility specialist. I got my appointment on the 22 at 800 for ultrasound and blood work and my hubby has his on the 30 just for the semin analysis. Im so scared