help please ladies.

hello ladies, i really need ur help & advice.
I got heavy bleeding on the 13th of sep which I would have been at least 11dpo & it occurred in the afternoon/night it was heavy for then & then the for next day the 14th of Sep 12dpo & then started getting lighter an lighter by last night the 15th the blood had just basically gone. Today the 16th of September I am due for my period TODAY! but their is NO blood? I am highly confused & have no idea I would love some feed back on what to do next! The blood only lasting 2 days which is weird & arriving just before my period ? This has never happened to me before I need someone's help please. :)