Period due in 2 days

My period is due in 2 days and I had sex on my most fertile days. I took 2 FRER tests both came out negative but for some reason my DPO before my period are only like 9-11 days DPO but my period is due in 2 days I’m sad they’re negative but since I’m not even 12 DPO could I still be maybe pregnant?

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