im 24..5'1..120lbs...i started the pill but missed doses so i stopped them n figured once i got my period i would just start off fresh..so I got my period on the sept 29th n waited till the next sun. oct. 1st n started fresh with the pill but took it a couple days n forgot so i stoppped takin them but that period only lasted a couple days and then i just started agin today oct. 8th...what does this mean? is this normal?