Scared to rest

I am cd40 dpo15 I have really tender breasts and nipples I came down with a cough/cold I'm a day or two late on my period. I'm really scared to test because I don't want to see a negative. I have pcos and I've been ttc for a yr and a month. I'm kind of just venting and maybe one of lovelies may have had these symptoms and got your bfp!!