Periods or pregnancy

Ok so my periods had stopped completely when I was 15 when I went on bc years ago. I'm not 23 and I stopped taking them in April and got pregnant. I miscarried at 6 weeks June 2nd ish. I had a normal period after my miscarriage (I was so excited I had one on my own) . Now I was supposed to start yesterday and still haven't thus far today. I took a test 6 days before my period was due and then one 5 days before it was due. Both were negative. I'm getting really freaked out thinking that I quit ovulating and I won't have periods anymore like before. There's also that slight hope that I jumped the gun on testing and I'm just pregnant.  Ugh. I HATE PCOS!