Peri into Meno

Hi everyone So my periods stopped in December. Yet this month and the end of Feb start of March I had a sort of period. Sorry if TMI but it's just brown basically, light brown and next to nothing. But during this time I get migraines and fatigue like I did with my period. Is this normal? As it's the same time as last month I think it is a period, although really it's not. I'm wondering if I should see the doctor or not? I'm trying to get by without HRT so there isn't really anything they can do for me, just check that all is OK I guess. Thanks for any replies. 🌹