Could I be pregnant

I’ll start off by saying last month I was on twice don’t know why (confused) n I was on then from like 20/9 to the 2/10 my predicted period was to start from the 17/10 well I took a normal cheap test like few days before an looked as tho it was a really faint line im talking really faint that you could jus about see then the day after I did a digital one this one I did like a day before I was due that was negative now I’m 4 days late coming on 5 days tomorrow I suppose my question is has this ever happened to any one else and had a positive test in bit scared to test as I’ve also ready no period could mean stress which I have been under quite a bit the last couple of days I also have depression a anxiety which my anxiety isn’t that bad as yet I’m jus bit worried any advice would be appreciated thank you for reading