If I got my period, had un protected sex, then got it again all in 5 days, is there a chance that I'm pregnant ?

I got my period regularly and it ended. I then got my period again today ( about 5 days after it ended ). In between this time I had unprotected sex. Could I be pregnant ? 
P.S : I had unprotected sex about 1-3 days after my initial period ended. 

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