Is it possible to I have a period and not have ovulated?

H
I'm not sure where to post this. I'm 32, have PCOS and very irregular cycles. SO and I have been TTC for 17mos. I check CM & CP daily, OPK's 2-3x a day along with BBT every morning at 6am. I'm on CD30 and definitely haven't ovulated yet this cycle. OB isn't concerned and thinks I may just be having a fluky cycle and that my period is starting. This has never before in my life happened and I'm not sure what to think. This is the same OB that told me before if you are getting a period you definitely ovulated 2 weeks prior to that period starting. I'm so confused

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