Help?

JM • 28 started TTC #baby 1 June 2016. 2 and half years 🌟
Cycle 34 still no AF. Was meant to get her on the 27th. Two days ago. Bfns I've been getting, could it just be maybe to early? 
Should j leave it till a week of a missed period? I've never missed a period before or been late.