I am super confused!!

I've been waiting for my period the past week and nothing! I spotted a week before my period. Tested the next day and bfn . I tested the day before my period and bfn. I tested with fmu the day my period was due and bfn too . Also the day my period was due I only spotted pink also. There was only one spot on my pad . What's going on am I pregnant or not?? I'm so confused!!!