13 DPO, Period due tomorrow. Do I still have a chance? ?

Im right there with you...Af is due tomorrow(my Birthday)...lastnight after bm(tmi,sorry)spotted for a couple of hours...nothing today(not normal),but Im ignoring every poss sign...trying not to think too much about it......lite pinching in lower stomach/left side...fingers are crossed...Btw I started taking Fertility Blend on the 3rd of Jan...I pray we all get BFP soon...It would be a great Birthday gift to me..***BABYDUST TO ALL***