Peri are the years [10+in some cases] when we begin to notice changes.
The last monthly bleed ever is menopause proper. Thought Mother Nature can throw in the Curved ball

. On an HRT regime it would be difficult to know how far along the journey you might B and although some do stop treatments to find out, they often develop new/old symptoms.
Sometimes the amount of oestrogen needs a hike as the ovaries may still pump out more/less hormone - who is overseeing your regime?
Blood tests are reliably un-reliable particularly for those on HRT. I would suggest that a hike would be in order hopefully some1 with knowledge of your regime will be along to advise.
Have U done a Covid-19 test as there's a 'lot of it about'. Again

. Sometimes colds can run into each other, depending on which virus has been caught.
Stress can affect symptoms. And I would consider a virus to be stressful.