Is this normal bleeding

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I take birth control at the same time every single morning at 7:00 a.m. but then recently I started waking up at 6:20 because I wanted to be at the gym by 7:00 a.m.. So I started taking my birth control at 6:20. And I worked out this morning and realized when I came home to shower I started bleeding or I blood and I didn't even know now I'm feeling a bit queasy down there and I don't know if it's possible to work out really hard and cause bleeding. I also have pcos. Help?

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