Still not sure - did I ovulate ?

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I had bleeding for two days recently (Nov 11 and 12). Light spotting on Nov 10, but I thought Nov 11 would be cycle day 1. But it was light.

I’m 12 months postpartum so I don’t know if it was my period trying to start or what, what do we think of this chart ? The teal stripes at top are the days I saw cervical mucus. It was the same time both months sept 30 and Oct 30 were the days the cm appeared .

This image shows end of sept and October .

This shows end of October . You can see on Nov 4 the drop. Not sure if that’s ovulation or not.