Unplanned Pregnancy

I am a 20 year old college student with some severe mental health issues including severe anxiety disorder and panic disorder among others. I have been sexually active for a few years. I am 99% sure I have become pregnant. My period is 3 days late. I have been unable to take a test yet. I am terrified. I don’t know what to do. Yeah I realize its my responsibility. But I am absolutely in total fear bc of my health and I don’t know what to do. I could really use some healthy advice because I’m in a full panic

***im not trying to avoid taking a test hoping it will change the outcome. I haven’t been able to get one yet. I’m looking for some advice on possibly dealing with a pregnancy at a young age.***