6 days dpo??

Sarah • 27. Married. My son was born 2/22/16 and his little sister 7/5/17
So I got the first response pregnancy test that you can supposedly take 6 days before your Missed period. I took one this morning and got a BFN- my period is due on Saturday- I was jw If this means I'm out for this month? Or is there still hope for my BFP!!?