TMI Period after miscarriage

Dakota

Hi everyone. I am beginning to worry, it has been 7 weeks since my miscarriage and I still haven't had a 'regular' period. This week I've been feeling nauseas, fatigued and having consistent headaches. BFN from pregnancy tests just to double check :(

Just wondering if anyone has any advice when there period and ovulation went back to normal? Should I be concerned x