early pregnancy symptoms or pms?

So my period is due in 2 more days, normally I am very hungry and bloated before my period ,my breasts sometimes get fuller but nothing else.. this month I have horrible insomnia ,daily bad long lasting migraine , severe bloating and cramps , nausea ,dizziness ,my breasts are huge and sensitive, I'm peeing like crazy and am feeling very tired and achy, almost flu like symptoms but I'm not sick . I know I have to wait until a missed period to even test but these symptoms are driving me crazy.. could I be pregnant or just paranoid? we have been careful but don't use any actual bc.

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