36 weeks pregnant, worried and paranoid...?

I am 36 weeks pregnant and am a bit paranoid that something will be wrong with my baby and even the whole birthing process. I have taken all of the test to determine if there are fetal abnormalities. They doctor has said I am doing eveything right and that everything is fine. This my first pregnancy and I just cant stop worrying. What is wrong with me?? Maybe its because Im so very anxious to get this over with