Period ? πŸ€”πŸ€¦πŸ½β€β™€οΈ

I had sex a few days ago and randomly started my "period" 2 days later . All my apps say I'm not supposed to get my period for 7-10 days so I'm not sure . It's not really like a period it's more of a light-Medium flow . So could it be my period or what ?? πŸ€”