I haven't had AF since January 12th, have blue-ish veins on chest, nipples, underarms,arms,legs, had implantation bleeding a couple weeks ago. According to a <a href="https://play.google.com/store/apps/details?id=com.glow.android.nurture">pregnancy tracker</a> I'd be 8 weeks and 3 days if I am pregnant. But. So far all hpt have been a bfn. How long did it take for you to get your positive?