Ovulation and Periods

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I just started keeping track. June we decided to start trying, missed the mark, bought ovulation kit, and found out what day I’m ovulating, got pregnant though it ended at four weeks with a chemical pregnancy. I’m concerned if I will ovulate on time after the bleeding of my miscarriage. I’m on day four of still bleeding. Also does anyone else have an extremely long cycle? I’m seeing some of yalls little charts and it’s crazy to see how close ovulation and periods are for some of you, like eight days after! When I have to wait another 20 days before my ovulation time. (45 day period and ovulate around day 25)