Pregnancy Scare + Severe anxiety

I am having a pregnancy scare and I have Generalized Anxiety Disorder. All of these countless articles and questions and answers I recieved here on glow and on the internet makes me confident I won’t get pregnant but my mind tells me I should be afraid.

How can I handle this? I feel like I just wanted to explode because of this stress and being a ball of anxiety. How can I manage myself? I am desperate pls