Please help

So on the 12th April I got my AF or what I thought was my normall AF, It lasted a week and was red so I knew it wasnt implantation bleeding. But now im having sore breast, My nipples seem to have grew and are hard most of the time. My bellys having wierd pains and im having alot of gas, I have a tounge piercing and I keep heaving on it, Ive had headaches and cold symptoms but not a proper cold, im just all confused as this is all new but I thought I had a normal period meaning I wasnt pregnant?

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