Annoyed 😖

So I have never missed a period but I am now 6 days late but when I tested it was a BFN and I have tested 2 times now both were Negative. I’m starting to question it all I’m tired all the time I am always braking down an crying I just don’t know what to do thinking about going to the doctor but I don’t want to because my insurance has not kicked in yet so I would have to pay out of pocket and I don’t have that kind of money! I’m hoping some one can help me out a bit!