don't be too stress about it. the staff at the vaccine center are friendly. perhaps let them know you are feeling scared and they will talk to you to calm you down. the jab will be done before you know it! by the way, expecting mummies have priority, so speak to the staff there to let them know you are pregnant and they will put you on the fast lane. if it helps, for both the jabs taken (Pfizer), I only experienced slight arm aching in the arm injected. no fever, no pain. i brought a stress ball to squeeze to help myself relax during the jab