Help me

I found out was pregnant in may. 5 weeks exactly. And in June, I lost the baby. It broke my heart into little pieces.

I got my periods on July 17 and it lasted 5 days and my cycles was always 28 days. Now it's August 19. My app says I'm late by 5-6 days.

Could I be pregnant or just the miscarriage effects still affecting my periods? This was suppose to be my second period. 5-6 days late.