How old wer u wen u had your first period?

soo how old wer u.Dis just 4 people who are realy worried about it (not me!) how old wer you wen you had your first period?
♥x ♥
Update: By the way i havent had myen yet ♥
Update 2: Im still onnline lol so still kepp in your answers they are all average :-) accept from one witch was the age of 28 !!!
Update 3: still onnline lol
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