Spotting

Yanna • 2Angel Babies & 1 Sweet Babyboy💕
So I took a hpt days ago & I got a faint positive then I took two more test the day after (1clear blue digital & a cheapie) both were bfn's ... However I've been very naseaus & bloated . I'm now 14dpo & my af is due today & lastnight I noticed some light spotting ... But still no af . Help